CO[C@@H]1[C@@H](O)[C@@H](O)[C@H](Oc2ccc(-c3ccc(Oc4ccccc4)cc3)c(C(=O)NCCCc3ccccc3)c2)OC1(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.