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 and belongs to the anti viral class of molecules.
user
COc1cccc2[nH]c(C(=O)NC(C(=O)NC(CC3CCNC3=O)C(=O)c3nc4ccccc4s3)C(C)(C)C)cc12
assistant