CC(=O)OC1COC(n2c(-c3ccc(Cl)cc3)cc(-c3ccccc3)c(C#N)c2=S)C(OC(C)=O)C1OC(C)=O
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.