[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][C][=C][Branch1][=Branch2][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an aryl sulfate oxoanion resulting from the deprotonation of the sulfooxy group of 2-naphthyl sulfate. The major microspecies at pH 7.3. It is a conjugate base of a 2-naphthyl sulfate."}]