Using OB(O)c1ccc(F)cc1, Nc1ncc(Br)cc1[N+](=O)[O-] to produce Nc1ncc(-c2ccc(F)cc2)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.