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 mglur5 modulator.
user
O=C(O)NC(c1cc(Br)cnc1F)C(O)c1ccc(C(F)(F)F)cc1
assistant