Cl.O[C@@]12Cc3c([nH]c4ccccc34)[C@@H]3Oc4c(-c5ccccc5)ccc5c4[C@@]31CCN(CC1CC1)[C@@H]2C5
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.