Using O=C(N[C@@H]1CONC1=O)OCc1ccccc1, O=C([O-])CCC(=O)C(=O)OCc1ccc([N+](=O)[O-])cc1 to produce O=C1CCC(C(=O)OCc2ccc([N+](=O)[O-])cc2)(N2OC[C@@H](NC(=O)OCc3ccccc3)C2=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.