O=C(Nc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])C(=O)C(C(=O)c1ccc2ccccc2c1)C1OC(=O)c2ccccc21
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.