Using CCN(CC)c1ccc(C(O)c2ccc(N(CC)CC)cc2)cc1, O=C(CO)Nc1ccccc1 to produce CCN(CC)c1ccc(C(OCC(=O)Nc2ccccc2)c2ccc(N(CC)CC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.