C# .NET - How to create dynamic class object to call method using Interface without Reflectionmethod

How to create dynamic class object to call method using Interface and Class name without Reflection method.

By using below example, i want to create object using Interface and class name (as string).
I tried to create using reflection method. But, my company wants to create without using reflection.

For Example:
public interface IParsable
    {
        string test(string sampleText);
    }

    public class First : IParsable
    {
        public string test(string sampleText)
        {
            return sampleText;
        }
    }

    public class Second : IParsable
    {
        public string test(string sampleText)
        {
            return sampleText;
        }
    }