You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a hepatitis b treatment and belongs to the anti viral agent class of molecules, with the characteristic of being anti viral.
user
CC(C)(C)OC(=O)NC1CCN(S(=O)(=O)c2ccc(F)c(C(=O)Nc3ccc(F)c(F)c3)c2)CC1
assistant