Using Cc1ccc(S(=O)(=O)Cl)cc1, COC(=O)c1cc(O)ccc1O to produce COC(=O)c1cc(OS(=O)(=O)c2ccc(C)cc2)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.