Using COc1ccc(C(=O)Nc2cc(Br)ccc2O)cc1[N+](=O)[O-] to produce COc1ccc(-c2nc3cc(Br)ccc3o2)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.