[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Zygogynum pancheri, Zygogynum acsmithii, and other organisms with data available."}, {"from": "gpt", "value": "[C][C@][C][C][C][C][Branch1][S][C@@H1][Ring1][=Branch1][C][C][=C][Branch1][=Branch1][C@@H1][Ring1][#Branch2][C][=O][C][=O][Branch1][C][C][C]"}]