[{"from": "human", "value": "Generate a molecule based on this description. The molecule is the L-enantiomer of citramalic acid. It is a conjugate base of a L-citramalate(2-)."}, {"from": "gpt", "value": "[C][C@][Branch1][#Branch1][C][C][=Branch1][C][=O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}]