Cc1ccc2oc(=O)c3c(O)c4cccc(OC5OC(C)C6O[C@@H](c7ccccc7)OC6C5OC5OC(C)C(O)C(O)C5O)c4c4oc(=O)c1c2c34
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.