C# C# Help With HttpWebRequest [Authentication failed]

Code
       public static bool RegisterAccount(Account acc, CookieContainer ck)

        {

            ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            System.Net.ServicePointManager.Expect100Continue = false;



            HttpWebRequest registerReq = WebRequest.CreateHttp("chaturbate[dot]com/accounts/register/?");

            registerReq.Method = "POST";



            string[] MaleFemale = { "M", "F" };

            string postData = string.Format("csrfmiddlewaretoken={0}&username={1}&password={2}&email={3}&birthday_month={4}&birthday_day={5}&birthday_year={6}&gender={7}&g-recaptcha-response={8}&terms=on&privacy_policy=on&studio=&redeem_code=",

                acc.CsrfToken, acc.Username, acc.Password, acc.Email, acc.rnd.Next(0, 9), acc.rnd.Next(0, 9), acc.rnd.Next(1950, 1999), MaleFemale[acc.rnd.Next(0,1)], acc.RecaptchaToken);



            byte[] byteArray = Encoding.UTF8.GetBytes(postData);



            registerReq.ProtocolVersion = HttpVersion.Version11;

            registerReq.Host = "chaturbate[dot]com";

            registerReq.KeepAlive = true;

            registerReq.ContentLength = postData.Length;

            registerReq.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3";

            registerReq.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36";

            registerReq.ContentType = "application/x-www-form-urlencoded";

            registerReq.Referer = "chaturbate[dot]com/";

            registerReq.Headers.Add("Cache-Control", "max-age=0");

            registerReq.Headers.Add("Origin", "chaturbate[dot]com");

            registerReq.Headers.Add("Upgrade-Insecure-Requests", "1");

            registerReq.Headers.Add("Sec-Fetch-Mode", "navigate");

            registerReq.Headers.Add("Sec-Fetch-User", "?1");

            registerReq.Headers.Add("Sec-Fetch-Site", "same-origin");

            if (acc.Proxy == null) { registerReq.Proxy = acc.Proxy; }

            registerReq.CookieContainer = ck;



            postData = HttpUtility.UrlEncode(postData);

            Stream dataStream = registerReq.GetRequestStream();

            dataStream.Write(byteArray, 0, byteArray.Length);

            dataStream.Close();



            HttpWebResponse resp = (HttpWebResponse)registerReq.GetResponse();

            if (resp.StatusCode == HttpStatusCode.Found) { return true; } else { return false; }

        }