CCCC(=O)O[C@@H]1CCC2(C)C=CC([C@@H](C)C(=O)OC)=C(O2)[C@@H]2[C@]1(C)[C@@H](OC(C)=O)CC1O[C@@]12C
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.