Using COC(=O)C(NC(=O)OCc1ccccc1)P(=O)(OC)OC, O=Cc1ccc([N+](=O)[O-])c([N+](=O)[O-])c1 to produce COC(=O)C(=Cc1ccc([N+](=O)[O-])c([N+](=O)[O-])c1)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.