Using COc1ccc(Cn2nccc2CBr)cc1, O=[N+]([O-])c1cccc2[nH]nc(I)c12 to produce COc1ccc(Cn2nccc2Cn2nc(I)c3c([N+](=O)[O-])cccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.