O=c1c(OC2OC(CO)C(O)C(O)C2OC2OC(CO)C(O)C(O)C2O)c(-c2ccc(O)cc2)oc2cc(O)cc(O)c12
Quantitative estimates of drug-likeness (QED) are commonly used to assess quantitative drug efficacy. What is the molecule's qed?