O=C1C2N=NN(CC(=O)N3N=C(c4cccc5ccccc45)CC3c3ccccc3)C2C(=O)N1c1ccccc1
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?