Using CC(=O)Nc1ccc(F)cc1, O=[N+]([O-])c1cc(Br)ccc1F to produce CC(=O)N(c1ccc(F)cc1)c1ccc(Br)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.