Using O=C(c1ccc(O)cc1)c1ccc([N+](=O)[O-])cc1, COc1cc2nccc(Cl)c2cc1OC to produce COc1cc2nccc(Oc3ccc(C(=O)c4ccc([N+](=O)[O-])cc4)cc3)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.