O=C1c2ccccc2C(=O)c2c1nc1ccccc1c2-c1cncc(-c2c3c(nc4ccccc24)C(=O)c2ccccc2C3=O)c1
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.