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 hbv inhibitor and is anti viral.
user
CC(C)(C)C1Cc2c(oc3c(-n4cccn4)cccc23)-c2c(F)c(=O)c(C(=O)O)cn21
assistant