Using COC(=O)c1cc(Cl)cc(NC2CCC3(CC2)OCCO3)c1C, CC=O to produce CCN(c1cc(Cl)cc(C(=O)OC)c1C)C1CCC2(CC1)OCCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.