Using COC(=O)c1ccc(OCc2ccc(OC)cc2)cc1O, O=[N+]([O-])c1cccc(S(=O)(=O)[O-])c1C[C@H]1CO1 to produce COC(=O)c1ccc(OCc2ccc(OC)cc2)cc1OC[C@@H]1CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.