Using O=C([O-])[O-], COc1ccc(C#N)cc1C(=O)Nc1ccc(Cl)cc1 to produce COc1ccc(C(N)=O)cc1C(=O)Nc1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.