Using O=[N+]([O-])c1cc(OCc2ccccc2)ccc1Cl, COc1ccc(O)cc1 to produce COc1ccc(Oc2ccc(OCc3ccccc3)cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.