Using CI, FC(F)(F)c1nnnn1-c1cc(Br)c2[nH]ccc2c1 to produce Cn1ccc2cc(-n3nnnc3C(F)(F)F)cc(Br)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.