O=c1cc(-c2ccc(O)cc2)oc2cc(OC3OC(CO)C(O)C(O)[C@H]3O[C@@H]3OC[C@@](O)(CO)C3O)cc(O)c12
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.