O=C(NCCN(CCNC(=O)c1nc[nH]c1C(=O)Nc1cccc(Cl)c1)CCNC(=O)c1nc[nH]c1C(=O)Nc1cccc(Cl)c1)c1nc[nH]c1C(=O)Nc1cccc(Cl)c1
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.