[{"from": "human", "value": "Describe this molecule. [C][C@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][=N][C][C][C@H1][C@H1][Ring1][=Branch1][C@H1][Branch2][Ring1][C][C][C@H1][C@@][Ring1][=Branch1][Branch1][#Branch2][C][C][C@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is an epimer of [chenodeoxycholic acid]. It is a mammalian bile acid found first in the bear and is apparently either a precursor or a product of chenodeoxycholate. Its administration changes the composition of bile and may dissolve gallstones. It is used as a cholagogue and choleretic."}]