Using [B], Fc1cc(F)cc(Br)c1 to produce Fc1cc(F)cc([B-](c2cc(F)cc(F)c2)(c2cc(F)cc(F)c2)c2cc(F)cc(F)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.