Using Cc1cc(Cl)nc(Br)c1, OB(O)c1ccc(C(F)(F)F)cc1 to produce Cc1cc(-c2ccc(C(F)(F)F)cc2)nc(-c2ccc(C(F)(F)F)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.