Using Cn1ncc([N+](=O)[O-])c1N1CCC(N=[N+]=[N-])CC(O)C1 to produce Cn1ncc([N+](=O)[O-])c1N1CCC(N)CC(O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.