Using CC1(C)CC(=O)CC(=O)C1, Cc1ccc(C)c(C#N)c1N to produce Cc1ccc(C)c(NC2=CC(=O)CC(C)(C)C2)c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.