Using COc1cc2c(cc1OC)CCC=C2, O=[N+]([O-])c1ccccc1I to produce COc1cc2c(cc1OC)CCC(c1ccccc1[N+](=O)[O-])=C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.