Using O=C1N[C@@H]2CCCC[C@@H]2N1C1CCNCC1, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(N2CCC(N3C(=O)N[C@@H]4CCCC[C@@H]43)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.