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.
user
CCOC(=O)C1=C2CN(CC(=O)O)CCN2C(c2nccs2)=NC1c1ccc(F)cc1Br
assistant