You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a protease inhibitor. Please represent the molecule in SMILES.
user
CN1C(=O)C(c2ccc(C3(C#N)CC3)cc2)C(C)(c2cc(-c3cncc(C#N)c3)cs2)N=C1N
assistant