[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch2][Ring1][#Branch1][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][C][=C][C][=C][C][=C][Ring1][#C][Ring1][=Branch1][C][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a tricyclic antidepressant which has been used in Europe since 1974. It is the isobutyl side chain homologue of amitriptyline."}]