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 anti viral and belongs to the anti viral compound class of molecules.
user
O=C1CCC(CNC2=C(F)CN=C(c3c[nH]c4ncc(Cl)cc34)N2)CN1
assistant