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: It belongs to the anti viral class of molecules.
user
CN(C)C(=O)OC1(CN2CCn3c(ccc(C(=O)NCc4ccc(Cl)cc4)c3=O)C2=O)CC1
assistant