Using CI, Cn1ncc([N+](=O)[O-])c1N1CCC(O)C(N=[N+]=[N-])CC1 to produce COC1CCN(c2c([N+](=O)[O-])cnn2C)CCC1N=[N+]=[N-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.