You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a cysteine protease inhibitor.
user
CC(=O)c1sc2c(c1N)C(c1ccc(Cl)cc1)C1=C(N2)c2ccccc2C1=O
assistant