COc1ccc([C@@H]2CC(=O)c3c(O)cc(O[C@@H]4OC(CO[C@@H]5OC(C)[C@H](O)[C@H](O)C5O)[C@@H](O)[C@@H](O)C4O)cc3O2)cc1O
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.