You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a cysteine protease inhibitor. Please write the SMILES representation of it.
user
C[Si](C)(C)CC(NC(=O)c1cccc(-c2cccc(C#N)c2)c1)C(=O)NC1(C#N)CC1
assistant