Using CC(C)(C)OC(=O)Nc1ccccc1NC(=O)c1ccc(C#N)nc1 to produce CC(C)(C)OC(=O)Nc1ccccc1NC(=O)c1ccc(CN)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.