[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an unsaturated fatty acid anion that is the conjugate base of all-cis-icosa-8,11,14-trienoic acid arising from deprotonation of the carboxy group. It is a long-chain fatty acid anion, a straight-chain fatty acid anion, a polyunsaturated fatty acid anion and an icosatrienoate. It is a conjugate base of an all-cis-icosa-8,11,14-trienoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}]