Using CC(C)C(=O)OCC(O)(COC(=O)C(C)C)c1ccc(F)cc1F to produce CC(C)C(=O)OC[C@](O)(CO)c1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.