CC(=O)O[C@H]1CC[C@H]2[C@@H]3CCc4cc(O)c(I)cc4[C@H]3CC[C@]12C
Orally active drug usually follows the rule of three, in which the molecular weight of a fragment is <300, the c Log P is ≤3, the number of hydrogen bond donors is ≤3 and the number of hydrogen bond acceptors is ≤3. The molecule meets rule of three or not?