[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a very long-chain fatty acid that is hexacosanoic acid carrying a beta-oxo substituent. It is a very long-chain fatty acid and a 3-oxo fatty acid. It is functionally related to a hexacosanoic acid."}]