Using CCN(c1cc(Cl)c(Cl)cc1Cl)C(C(=O)O)c1ccccc1OC to produce COc1ccccc1C(Nc1cc(Cl)c(Cl)cc1Cl)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.