[{"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][C][C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a very long-chain fatty acid comprising of 29 carbon atoms. It has a role as a plant metabolite. It is a straight-chain saturated fatty acid and a prostaglandin A1."}]