C[C@H](CCC(=O)NCCS(=O)(=O)[O-])[C@H]1CC[C@H]2[C@H]3[C@H](CC[C@@]21C)[C@@]1(C)CC[C@@H](O)C[C@H]1C[C@H]3O.[Na+]
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.