Using CC(=O)OCC(=O)[C@H](Cc1ccc2c(c1)OC(F)(F)O2)C(=O)OC(C)(C)C to produce CC(=O)OC[C@@H](O)[C@H](Cc1ccc2c(c1)OC(F)(F)O2)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.