Using COc1ccc(S(=O)(=O)N2c3ccccc3-c3cccc(OC)c3C2C)cc1C to produce Cc1cc(S(=O)(=O)N2c3ccccc3-c3cccc(O)c3C2C)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.