[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an alkaloid. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=N][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][=Branch1][=N][C][=C][Ring1][=Branch1][C][Ring1][=N][=O]"}]