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 cysteine protease inhibitor.
user
CS(=O)(=O)c1ccc(-c2ccc(CC(F)(F)F)cc2)cc1
assistant