[{"from": "human", "value": "Provide a description of 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][Branch1][C][Branch2][Branch1][S][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][=Branch1][C][=O][C][Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][C][=Branch1][C][=O][O][C][C][Branch1][Ring1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a mycolate ester formed by esterification of keto-meromycolic acid with the 1-OH of glycerol. It has a role as an antigen. It is functionally related to a keto-meromycolic acid and a glycerol."}]