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 caspase inhibitor.
user
CC(NC(=O)OCc1ccccc1)C(=O)NC(CC(=O)OC(C)(C)C)C(O)COc1c(F)c(F)cc(F)c1F
assistant