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 hiv protease inhibitor and belongs to the anti viral agent class of molecules, with the characteristic of being anti viral.
user
CCNC(=O)NC(Cc1ccccc1)C(O)C(=O)N1CSC(C)(C)C1C(=O)NCc1ccccc1C
assistant