CCCc1c(O)c(=O)c2c(OC)cc(OC)c3c4c(OC)cc(OC)c5c(=O)c(O)c(CCC)c(c1c23)c54
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.