Using COc1cc(-c2cc3ccccc3[nH]2)cc(OC)c1OS(=O)(=O)c1ccccc1 to produce COc1cc(-c2cc3ccccc3[nH]2)cc(OC)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.