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 ns5a inhibitor and a hcv inhibitor, as well as anti viral compound and anti viral.
user
COC(=O)NC1C(=O)N2C(c3ncc(-c4ccc(-c5ccc(-c6cnc(C7CCC8C9C(CC9%10COC%10)C(NC(=O)OC)C(=O)N78)[nH]6)cc5)cc4)[nH]3)CCC2C2C1CC21COC1
assistant