[Solved] HttpClient Error: The best overload for uri does not have a parameter named https

I have written below code is as follows

I have get below error: the best overload for uri does not have a parameter named https

please let me know how to solve the above error

if (ModelState.IsValid)
{ 
    //iterating through multiple file collection
    foreach (HttpPostedFileBase file in files)
    {
        //Checking file is available to save.
        if (file != null)
        {
            var InputFileName = Path.GetFileName(file.FileName);
            var ServerSavePath = Path.Combine(Server.MapPath("~/UploadedFiles/") + InputFileName);
            //Save file to server folder
            file.SaveAs(ServerSavePath);
            //assigning file uploaded status to ViewBag for showing message to user.
            ViewBag.UploadStatus = files.Count().ToString() + " files uploaded successfully.";

            var response = new HttpResponseMessage();
            using (HttpClient httpClient = new HttpClient())
            {
                httpClient.BaseAddress = new Uri(https://ca-usa.paradatec-cloud.com/api/);
                response = httpClient.PostAsync(@"api/job/GetTestPDF", new StringContent(string.Empty)).Result;
            }
            var whatisThis = response.Content.ReadAsStringAsync().Result;
            return new FileContentResult(Convert.FromBase64String(response.Content.ReadAsStringAsync().Result), "application/pdf");
        }

    }
}
return View();