Using CC(C)CC(NC(=O)c1ccc(CBr)cc1)C(=O)NC(C)(C)C#N, c1c[nH]cn1 to produce CC(C)CC(NC(=O)c1ccc(Cn2ccnc2)cc1)C(=O)NC(C)(C)C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.