[{"from": "human", "value": "What can you tell me about 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]"}, {"from": "gpt", "value": "The molecule is an alkyl sulfate that is the sulfuric ester of (4R)-4,8-dimethylnonan-1-ol. It has a role as a Daphnia pulex metabolite and a kairomone. It is a conjugate acid of a (4R)-4,8-dimethylnonyl sulfate."}]