[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@@H1][Branch1][Ring2][O][Ring1][Branch1][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an anhydrohexose obtained by formation of a ring across the 3 and 6 positions of L-galactonic acid It has a role as a marine metabolite. It is an anhydrohexose and a carbohydrate acid. It is functionally related to a L-galactonic acid."}]