Using Cc1cc(O)cc(O)c1, O=S(=O)(Cl)c1ccccc1C(F)(F)F to produce Cc1cc(O)cc(OS(=O)(=O)c2ccccc2C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.