[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a harmala alkaloid."}, {"from": "gpt", "value": "[C][C][=N][C][=C][Branch1][Ring2][S][Ring1][Branch1][C][N][C][C][C][=C][Branch1][=C][C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][N][C][=C][C][=C][C][=C][Ring2][Ring1][C][Ring1][=Branch1]"}]