O=[N+]([O-])c1ccc2c(Nc3ccccc3-c3ccccc3Nc3c4ccccc4nc4cc([N+](=O)[O-])ccc34)c3ccccc3nc2c1
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.