O=C(OCc1cn([C@H]2CN(CC3CCCCC3)[C@@H](c3ccc(Cl)cc3)C[C@@H]2O)nn1)c1ccccc1
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?