CC[C@H]1[C@@H]2OC(=O)[C@@H](C)[C@@H]2[C@@H]2C[C@@H]([C@@H]3C[C@H](C)C(=O)O3)N3CCCC[C@H]1[C@@H]23
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?