using System;

public class Program

{

    public static void Main()

    {

        var myDate = "2023-02-01-13.14.57.000";

        var myDateNow = DateTime.Now.ToString("yyyy-MM-dd-hh.mm.ss.0000000");

        var myDate2 = DateTime.ParseExact(myDate, "yyyy-MM-dd-hh.mm.ss.'000000'", System.Globalization.CultureInfo.InvariantCulture);

        System.Console.WriteLine(myDateNow);

    }

}