O=C(c1ccccc1)c1ccc2[nH]c(-c3c(Cl)c(Cl)c(Cl)c(Cl)c3-c3nnc(-c4ccccc4)o3)nc2c1
Quantitative estimates of drug-likeness (QED) are commonly used to assess quantitative drug efficacy. What is the molecule's qed?