using System;

using System.Web;

using  System.IO; 

public class Program

{

    public static void Main()

    {

         var link = @"https://s3-eu-west-1.amazonaws.com/deductionreports/DeductionReportInd_2605_2018-01-26_15:10.csv";

        link = link.Replace(":10", "%3A10");

        link = link.Replace("/", "%2f");

        Console.WriteLine(HttpUtility.UrlEncode(link));

        File.ReadAllBytes(link);

    }

}