[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a harmala alkaloid."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][N][N][C][Branch1][S][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}]