You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a protease inhibitor.
user
CC(C)(C)C(NC(=O)C(F)(F)F)C(=O)NC(CS(C)(C)C)C(=O)NC(C#N)CC1CCC2(CC2)NC1=O
assistant