Using CC(=O)CC(=O)N(c1ccc(Cl)cc1)C(C)C, CN(C)C=O to produce CC(=O)C(C)C(=O)N(c1ccc(Cl)cc1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.