Using COc1ccc(C(=O)C2CCNCC2)c(O)c1, O=C(Cl)OCc1ccccc1 to produce COc1ccc(C(=O)C2CCN(C(=O)OCc3ccccc3)CC2)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.