[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Huperzia serrata with data available."}, {"from": "gpt", "value": "[C][C@@H1][Branch2][Ring1][=C][C][C][/C][=C][/C@][Branch2][Ring1][Branch1][C][=Branch1][C][=O][C][=Branch1][=Branch2][=C][Branch1][Ring2][O][Ring1][=Branch1][O][C][C][=Branch1][C][=O][C][C][O]"}]