Using COc1ccc(CC(O)COS(=O)(=O)c2ccc(C)cc2)c(O)c1 to produce COc1ccc2c(c1)OC(COS(=O)(=O)c1ccc(C)cc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.