Using CC(C)(C[C@]1(C(F)(F)F)CO1)c1ccccc1CBr, O=C([O-])O to produce CC(C)(C[C@]1(C(F)(F)F)CO1)c1ccccc1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.