Using Cc1nc(-c2cccc(C(F)(F)F)c2)sc1CO, BrC(Br)(Br)Br to produce Cc1nc(-c2cccc(C(F)(F)F)c2)sc1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.