[{"from": "human", "value": "Please give me some details about 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][Branch2][Branch1][#C][C][Branch2][Branch1][#Branch2][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Ring1][Ring1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][Ring1][Ring1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a mycolic acid produced by Mycobacterium tuberculosis. Its structure is that of hexacosanoic acid substituted at position 2 by a 1-hydroxy-16-{2-[14-(2-octadecylcyclopropyl)tetradecyl]cyclopropyl}hexadecyl group. It has a role as an epitope and a bacterial metabolite."}]