Using O=C(O)[C@@H]1CCCN1C(=O)OCc1ccc([N+](=O)[O-])cc1, CC(C)(C)OC(=O)N1CC(N)C1 to produce CC(C)(C)OC(=O)N1CC(NC(=O)[C@@H]2CCCN2C(=O)OCc2ccc([N+](=O)[O-])cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.