Using OB(O)c1ccc(F)cc1F, C=CCC1(C(C)C)CCN(C(C)c2ccc(Br)cc2)C(=O)O1 to produce C=CCC1(C(C)C)CCN([C@@H](C)c2ccc(-c3ccc(F)cc3F)cc2)C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.