Using CCO[C@H]1C[C@H](n2cc(CC)c(=O)[nH]c2=O)O[C@@H]1CN, O=C(Cl)Cc1c(Cl)cccc1Cl to produce CCO[C@H]1C[C@H](n2cc(CC)c(=O)[nH]c2=O)O[C@@H]1CNC(=O)Cc1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.