[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Helenium amarum with data available."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][C][C@H1][C@@H1][Branch1][=Branch2][C][C][Ring1][Ring2][Branch1][C][C][C][C][=Branch1][C][=C][C][C][C][=O]"}]