Using [OH-], O=C(O)C1CN(C(=O)OCc2ccccc2)CCN1c1ccccc1[N+](=O)[O-] to produce O=C1Nc2ccccc2N2CCN(C(=O)OCc3ccccc3)CC12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.