Using OB(O)c1ccc(C(F)(F)F)cc1, Cc1cc(Br)cn2ccnc12 to produce Cc1cc(-c2ccc(C(F)(F)F)cc2)cn2ccnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.