[{"from": "human", "value": "Provide a description of this molecule. [C][N][C][C][C][=C][C@H1][Ring1][=Branch1][C][C][=C][Branch1][=Branch2][C][Ring1][=Branch1][=C][C][=C][Ring1][#Branch2][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][#Branch2][O][O]"}, {"from": "gpt", "value": "The molecule is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use. "}]