Cc1ccccc1-n1c(=O)[nH]c(O)c(C(c2ccncc2)c2c(O)[nH]c(=O)n(-c3ccccc3C)c2=O)c1=O
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?