Using CN(C)C(=O)C1CCN(S(=O)(=O)c2ccc([N+](=O)[O-])cc2)CC1 to produce CN(C)C(=O)C1CCN(S(=O)(=O)c2ccc(N)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.