[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a sulfur oxoanion, an inorganic radical anion and a sulfur oxide. It is a conjugate base of a hydroxidotrioxidosulfur(.)."}, {"from": "gpt", "value": "[O-1][S][=Branch1][C][=O][=Branch1][C][=O][OH0]"}]