Using C[C@@H]1C(=O)NN=C2COc3cc(Br)ccc3N21, OB(O)c1ccccc1F to produce C[C@@H]1C(=O)NN=C2COc3cc(-c4ccccc4F)ccc3N21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.