You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a protease inhibitor and belongs to the anti viral class of molecules.
user
CC(C)C(NC(=O)OC(C)(C)C)C(=O)N1CC2C(C1C(=O)O)C2(C)C
assistant