[{"from": "human", "value": "Describe this molecule. [C][C][N][=C][Branch1][Ring2][N][Ring1][Branch1][N][C][=C][Branch1][Branch2][C][=C][C][=C][Ring1][=Branch1][Br][F]"}, {"from": "gpt", "value": "The molecule is a veterinary drug utilized as a sedative primarily in large animals, most frequently horses. It is also used less commonly in a wide variety of other animal species. This drug's chemical structure closely resembles that of clonidine, however, romifidine is not approved for use in humans."}]