O=C(c1ccccc1)c1c(C(=O)c2ccccc2)c(-c2ccccc2)c2c(-c3ccccc3)sc(-c3ccccc3)c2c1-c1ccccc1
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.