[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Eucalyptus fasciculosa, Eucalyptus intertexta, and other organisms with data available."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][C][=O][C][C][C][Ring1][#Branch1][C][Ring1][Ring2][Branch1][C][C][C]"}]