[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a homoisocitric acid. It is a conjugate acid of a (-)-homoisocitrate(3-)."}, {"from": "gpt", "value": "[C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C@@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][O]"}]