O=C1C(OC(=O)c2ccccc2)=C(c2ccc(O)cc2)C(=O)C(OC(=O)c2ccccc2)=C1c1ccc(O)cc1
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.