Using CC(=O)Cl, COc1ccccc1NC(=O)[C@@H]1Cc2[nH]cnc2CN1 to produce COc1ccccc1NC(=O)[C@@H]1Cc2[nH]cnc2CN1C(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.