C/N=C1\OC2=C3C(c4ccccc4)(O/C(=N/C)N(C)C3(c3ccccc3)OC2=O)N1C
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?