[{"from": "human", "value": "Provide a brief overview 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 Poly(ADP-Ribose) Polymerase Inhibitor. The mechanism of action of niraparib is as a Poly(ADP-Ribose) Polymerase Inhibitor."}]