You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a protease inhibitor.
user
CC(C)(C)NC(=O)C(c1ccsc1)N(C(=O)C1CCN(C(=O)OC(C)(C)C)CC1)c1ccc(NC(=O)C2CC2)cc1
assistant