[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a phenyl sulfate oxoanion that is the conjugate base of 4-acetylphenyl hydrogen sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3. It is a conjugate base of a 4-acetylphenyl hydrogen sulfate."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}]