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