[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Echinodontium tsugicola with data available."}, {"from": "gpt", "value": "[C][C@@][C@@H1][Branch1][=Branch1][C][C@H1][Ring1][Ring2][O][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@H1][C@@H1][Ring1][=Branch2][C][C][Branch1][Ring2][C][Ring1][Branch1][Branch1][C][C][C][O][C][O]"}]