Using OC1CCNCC1, COC(=O)Cn1c(=O)sc2ccc(Cl)cc21 to produce O=C(Cn1c(=O)sc2ccc(Cl)cc21)N1CCC(O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.