Using COC(OC)C(O)CCN(Cc1ccccc1)S(=O)(=O)c1ccccc1[N+](=O)[O-] to produce O=C(CO)CCN(Cc1ccccc1)S(=O)(=O)c1ccccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.