Using [Br-], CC(=O)c1ccc(-c2ccc([N+](=O)[O-])cc2)cc1C to produce Cc1cc(-c2ccc([N+](=O)[O-])cc2)ccc1C(=O)CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.