[{"from": "human", "value": "Describe this molecule. [C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][C][C][Branch1][N][C][C][C][C][C][Ring1][Branch1][C][=C][Ring1][Branch1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is an oral anticholinergic agent used predominantly in the symptomatic therapy of Parkinson disease and movement disorders. Biperiden has not been associated with serum enzyme elevations during treatment and must be a very rare cause of clinically apparent acute liver injury, if it occurs at all."}]