Using N#Cc1ccc(C(=O)N2CCC3(CC2)NC(=O)NC3=O)cc1, CC(C)(C)OC(=O)CCCCl to produce CC(C)(C)OC(=O)CCCN1C(=O)NC2(CCN(C(=O)c3ccc(C#N)cc3)CC2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.