Using Cc1c([N+](=O)[O-])cccc1[N+](=O)[O-], [O-][Br+2]([O-])[O-] to produce Cc1c([N+](=O)[O-])cc(Br)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.