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
O=C(Nc1cnc(-n2nccn2)c(Cl)c1)Nc1cnc2cc(Cl)nn2c1C1=CC=C1
assistant