Using O=C1N[C@H]2CCCC[C@@H]2N1C1CCN(C2CCNCC2)CC1, CC1(C(=O)O)CC1 to produce CC1(C(=O)N2CCC(N3CCC(N4C(=O)N[C@H]5CCCC[C@@H]54)CC3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.