Using OB(O)c1ccccc1C(F)(F)F, Nc1ccc(Br)cc1[N+](=O)[O-] to produce Nc1ccc(-c2ccccc2C(F)(F)F)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.