[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a polyunsaturated omega-3 fatty acid. It is a component of many common vegetable oils and is important to human nutrition. "}, {"from": "gpt", "value": "[C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][C][C][C][=Branch1][C][=O][O]"}]