Using COC(=O)C(CC1C2CCC1CC2)N1CC(Oc2ccccc2Cl)=CC1=O to produce O=C(O)C(CC1C2CCC1CC2)N1CC(Oc2ccccc2Cl)=CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.