Using CC(=O)OC(C)=O, O=C(O)[C@@H]1CC2CCCCC2CN1 to produce CC(=O)N1C[C@@H]2CCCC[C@@H]2C[C@H]1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.