[{"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@@H1][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a mycolate ester formed by esterification of keto-meromycolic acid with the 6-OH of D-glucose. It has a role as an antigen. It is functionally related to a keto-meromycolic acid and a D-glucopyranose."}]