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 hepatitis b treatment, a hepatitis b treatment, and anti viral.
user
Cc1ccc(S(=O)(=O)NCCc2cccc(F)c2F)cc1
assistant