COc1ccc(C(CCN2CCCC(C)C2)c2c(OC)cc(OC)c3c2OC(=O)CC3c2cc(OC)c(OC)c(OC)c2)cc1
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.