Using CC1(C)OB(c2ccc(F)nc2)OC1(C)C, COCOc1ccc(-c2ncc(Br)cc2[N+](=O)[O-])cc1 to produce COCOc1ccc(-c2ncc(-c3ccc(F)nc3)cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.