Using CC1(C)C(=O)Nc2cc(C#N)ccc21, Nc1ccccc1N to produce CC1(C)C(=O)Nc2cc(-c3nc4ccccc4[nH]3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.