CC(=O)OC1CC(OC(C)=O)[C@]2(C)C(CC(=O)[C@]3(C)C2CC[C@@]2(C)C(C(=O)O)OC(=O)C4OC423)C1(C)C
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.