Using OB(O)c1ccc(OC(F)(F)F)cc1, Cc1ccc(Nc2ncc(Br)cn2)cc1[N+](=O)[O-] to produce Cc1ccc(Nc2ncc(-c3ccc(OC(F)(F)F)cc3)cn2)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.