Using CC(=O)O[C@@H]1[C@H](NC(=O)C(F)(F)F)[C@H](OC(C)=O)[C@H](C)O[C@@H]1Br to produce CC(=O)O[C@H]1[C@@H](NC(=O)C(F)(F)F)C=CO[C@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.