Using CC(C)(C)OC(=O)N[C@@H](Cc1ccc(F)c(F)c1)C(=O)CBr to produce CC(C)(C)OC(=O)N[C@@H](Cc1ccc(F)c(F)c1)[C@H]1CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.