O=C1c2ccc3c4ccc5c6c(ccc(c7ccc(c2c37)C(=O)N1CCN1CCCCC1)c64)C(=O)N(CCN1CCCCC1)C5=O
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.