Using CC(C)(C)OC(=O)Nc1cccc(-c2ccc(C#N)cc2)c1 to produce CC(C)(C)OC(=O)Nc1cccc(-c2ccc(CN)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.