Using CC(C)(C)OC(=O)N1CC2CC(CN(CCC(=O)Nc3ccc(C#N)cc3)C2)C1 to produce CC(C)(C)OC(=O)N1CC2CC(CN(CCCNc3ccc(C#N)cc3)C2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.