Using OC[C@H]1O[C@@H](c2ccc(Cl)c(Cc3ccc(O)cc3)c2)[C@H](O)[C@@H](O)[C@@H]1O, Cc1ccc(S(=O)(=O)OCCOCCF)cc1 to produce OC[C@H]1O[C@@H](c2ccc(Cl)c(Cc3ccc(OCCOCCF)cc3)c2)[C@H](O)[C@@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.