[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Huperzia serrata with data available."}, {"from": "gpt", "value": "[C][C][C@@H1][C@H1][Branch2][Ring1][S][C][C@H1][C@@][Ring1][Branch1][C][C][C][N+1][Branch1][Ring2][C][Ring1][N][Branch1][#C][C@@][Ring1][#Branch1][C][C@@H1][Branch1][Ring2][C][Ring1][O][C][O][Ring1][=Branch1][O-1][O]"}]