[{"from": "human", "value": "Describe this molecule. [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 long-chain fatty acid that is icosanoic acid in which the hydrogens at the beta-position are replaced by an oxo group. It is a 3-oxo monocarboxylic acid and a long-chain fatty acid. It is functionally related to an icosanoic acid."}]