Using CC(C)OC(=O)N[C@H]1Cc2c(n(Cc3ccccn3)c3ccc(C#N)cc23)C1, CO to produce CC(C)OC(=O)N[C@H]1Cc2c(n(Cc3ccccn3)c3ccc(C=O)cc23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.