[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an organosulfate oxoanion that is the conjugate base of octyl hydrogen sulfate. Isolated from Daphnia pulex, it induces morphological changes of phytoplankton Scenedesmus gutwinskii. It has a role as a Daphnia pulex metabolite, a kairomone and a marine metabolite. It is a conjugate base of an octyl hydrogen sulfate."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}]