CCOC(=O)/C=C1\SCC(=O)N1CC(O)CN1C(=O)CS/C1=C/C(=O)OCC
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?