Using CCOC(=O)CC1CCN(c2nc(S(C)(=O)=O)ccc2[N+](=O)[O-])CC1 to produce CCOC(=O)CC1CCN(c2nc(S(C)(=O)=O)ccc2N)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.