Using O=C(O)C(F)(F)S(=O)(=O)F, O=C1c2ccccc2C(=O)N1[C@H](CO)c1ccccc1 to produce O=C1c2ccccc2C(=O)N1[C@H](COC(F)F)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.