Using O=C(O)C(F)(F)S(=O)(=O)F, CC(C)(C)OC(=O)N1CC[C@@H](c2ccc(F)cc2)[C@H](O)C1 to produce CC(C)(C)OC(=O)N1CC[C@@H](c2ccc(F)cc2)[C@H](OC(F)F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.