Using [Br-], NC(=O)c1cc2cccc([N+](=O)[O-])c2[nH]1 to produce NC(=O)c1[nH]c2c([N+](=O)[O-])cccc2c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.