[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Pseudo-nitzschia multistriata with data available."}, {"from": "gpt", "value": "[C][C][/C][=C][\\C][C][Branch1][P][/C][=C][/C][=C][\\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O]"}]