[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][C][=C][Branch2][Ring1][O][C][=Branch2][Ring1][=Branch1][=C][Branch1][Ring2][O][Ring1][Branch1][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a long-chain fatty acid."}]