Using C1CCC(N2CCNCC2)C1, CC(=O)c1ccc(N2CCC(CC(=O)O)CC2)cc1 to produce CC(=O)c1ccc(N2CCC(CC(=O)N3CCN(C4CCC4)CC3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.