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