[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C][C][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][#C]"}, {"from": "gpt", "value": "The molecule is a tricyclic antidepressant that is also used in smoking cessation. Nortriptyline can cause mild and transient serum enzyme elevations and is rare cause of clinically apparent acute and chronic cholestatic liver injury."}]