[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][C][C][C][C][Branch1][C][C][C][C][C][C][Branch1][C][C][C][C][C][C][Branch1][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is conjugate base of 2-oxophytanic acid. It is a 2-oxo monocarboxylic acid anion and a long-chain fatty acid anion. It is functionally related to a hexadecanoic acid and a hexadecanoate. It is a conjugate base of a 2-oxophytanic acid."}]