CC1CCC2C(C)C3C(CC4C5CC=C6CC(OC7OC(CO)C(O)C(OC8OC(CO)C(O)C(O)C8O)C7OC7OC(C)C(O)C(O)C7O)CCC6(C)C5CCC43C)N2C1
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.