O=C1O[C@H]2[C@H](O)[C@@H](OC(=O)c3cc(O)c(O)c4c3[C@@H]3C1=CC(=O)C(O)(O)C3(O)O4)[C@H](OC(=O)c1cc(O)c(O)c(O)c1)O[C@@H]2CO
Quantitative estimates of drug-likeness (QED) are commonly used to assess quantitative drug efficacy. What is the molecule's qed?