Using CC(C)(C)OC(=O)Nc1ccc(C2(C#N)CCNCC2)cc1, O=C1CCCC1 to produce CC(C)(C)OC(=O)Nc1ccc(C2(C#N)CCN(C3CCCC3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.