namespace TwoCaptcha
{
    public class Scraper
    {
        static void Main(string[] args)
        {
            //..

            // create a new instance of the ReCaptcha class
            ReCaptcha captcha = new ReCaptcha();

            // set the site key for the ReCaptcha
            captcha.SetSiteKey("6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-");

            // set the URL of the target webpage where the ReCaptcha is located
            captcha.SetUrl(target_url);
        }
    }
}