[{"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][Branch2][=Branch1][Branch2][C][Branch2][=Branch1][Ring1][C][C][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][Branch2][Ring1][#Branch1][C][Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][C][O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an ultra-long-chain fatty acid anion that is the conjugate base of methoxy mycolic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a hydroxy fatty acid anion, a mycolate, a branched-chain fatty acid anion and an ultra-long-chain fatty acid anion. It is a conjugate acid of a methoxy mycolic acid."}]