Using O=[N+]([O-])c1ccc(C(Nc2ccccc2)P(=O)(Oc2ccccc2)Oc2ccccc2)cc1, O=Cc1ccc([N+](=O)[O-])cc1 to produce O=C(Cc1ccc([N+](=O)[O-])cc1)c1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.