Using CC(C)S(=O)(=O)c1cc(P(C)(C)=O)ccc1[N+](=O)[O-] to produce CC(C)S(=O)(=O)c1cc(P(C)(C)=O)ccc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.