Using Nc1ncc(Br)cc1C(F)(F)F, OB(O)c1ccc(C(F)(F)F)cc1 to produce Nc1ncc(-c2ccc(C(F)(F)F)cc2)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.