Using CCO, O=C(CC(=O)c1cccc(I)c1)Nc1ccc(-n2cccc2)cc1[N+](=O)[O-] to produce O=C1CC(c2cccc(I)c2)=Nc2ccc(-n3cccc3)cc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.