Using O=C([O-])[O-], Cc1ccc(S(=O)(=O)OC[C@@H](O)[C@@H]2C[C@H]3OC(C)(C)O[C@H]3O2)cc1 to produce COC[C@H](O)[C@@H]1C[C@H]2OC(C)(C)O[C@H]2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.