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
CCCCOC1=CC=C(CC(N)C(O)CN(N)Cc2ccc(-c3ccccn3)cc2)CC1
assistant