[{"from": "human", "value": "Provide a description of this molecule. [C][C][C@H1][Branch1][=Branch1][C][N][C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=C][C][=C][C][=C][Branch1][#Branch1][C][Ring1][=Branch1][=N][Ring1][=Branch2][C][=Branch1][C][=O][N]"}, {"from": "gpt", "value": "The molecule is a small molecule inhibitor of poly ADP-ribose polymerase that is used in the therapy of selected patients with refractory and advanced ovarian carcinoma. Niraparib therapy is associated with a low rate of transient elevations in serum aminotransferase during therapy, but has not been linked to instances of clinically apparent liver injury."}]