C[C@]12C[C@H](O)C3[C@@H](CCC4=CC(=O)C=C[C@@]43C)C1CC[C@]2(O)C(=O)COC(=O)CCC(=O)O
The quantitative estimate of drug-likeness (QED) is the most commonly used quantitative drug efficacy assessment method. Please predict the molecule's qed.