CC1(C)O[C@@H]2C[C@H]3[C@H]4C[C@H](F)C5=CC(=O)C=C[C@@]5(C)[C@@H]4[C@H](O)C[C@]3(C)[C@]2(C(=O)CO)O1
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?