You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a cysteine protease inhibitor.
user
COC(=O)C1CCCCOc2ccc(cc2)CC(NCl)C(=O)NC(C(C)C)C(=O)N1
assistant