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 and belongs to the anti viral class of molecules.
user
COc1ccc(CNC(=O)c2c3n(c(=O)n2-c2ccc(C#N)cc2)CCN(C(=O)c2ccc(Br)c(Cl)c2)C3)c(F)c1
assistant