[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@][Branch1][S][C][Branch1][=Branch2][C@H1][Branch1][Branch1][C][O][Ring1][Branch1][O][Branch1][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a tetrahydroxytetrahydrofuran in which the hydroxy groups are located at positions 2, 3, 4, and 4 and which is substituted by a methyl group at position 2 (the 2R,4S diastereoisomer). It has a role as an autoinducer. It is a tetrahydroxytetrahydrofuran, a ketone hydrate, a tetrol and a cyclic ketal."}]