[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][Branch1][=Branch2][C][C][C][C][Branch1][C][C][C][C][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an organosulfate oxoanion that is the conjugate base of (4R)-4,8-dimethylnonyl hydrogen sulfate. It has been isolated from Daphnia pulex and has been found to induce morphological changes in the phytoplankton, Scenedesmus gutwinskii. It has a role as a Daphnia pulex metabolite and a kairomone. It is a conjugate base of a (4R)-4,8-dimethylnonyl hydrogen sulfate."}]