[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a hexadecatrienoic acid having Z double bonds at positions 7, 10 and 13. It is a hexadecatrienoic acid and an omega-3 fatty acid. It is a conjugate acid of a (7Z,10Z,13Z)-hexadecatrienoate."}, {"from": "gpt", "value": "[C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][C][=Branch1][C][=O][O]"}]