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 a hepatitis b treatment, belonging to the anti viral agent class of molecules.
user
CCOC(=O)C1=C(CN2CCN3C(=O)N(c4ccc(Oc5ccc(C(=O)O)cc5)cc4)CC3C2)NC(c2nccs2)=NC1c1ccc(F)cc1Br
assistant