COc1ccc2cc1Oc1ccc(cc1)C[C@@H]1c3c(cc(OC)c4c3Oc3cc5c(cc3O4)CCN[C@H]5C2)CCN1C
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.