Using CCOC(=O)CC1CCN(c2ncc(Br)cc2[N+](=O)[O-])CC1 to produce O=C(O)CC1CCN(c2ncc(Br)cc2[N+](=O)[O-])CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.