Using O=C(C1CC1)N1CCNCC1, O=Cc1cccc(C(=O)O)c1 to produce O=Cc1cccc(C(=O)N2CCN(C(=O)C3CC3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.