Using NCc1ccc(OC(F)(F)F)cc1, COC(=O)c1c(I)cc([N+](=O)[O-])cc1CBr to produce O=C1c2c(I)cc([N+](=O)[O-])cc2CN1Cc1ccc(OC(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.