Using CC(C)C1Cc2ccccc2N1, O=C([O-])Cc1nc(N2CCOCC2)cc(=O)[nH]1 to produce CC(C)C1Cc2ccccc2N1C(=O)Cc1nc(N2CCOCC2)cc(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.