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 hiv treatment and belongs to the anti retroviral class of molecules.
user
NCC(c1cc(F)cc(F)c1)c1ncc(Br)cc1Br
assistant