[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a sulfur oxoanion that is the conjugate base of hydrogen sulfite (H2SO3). It is a sulfur oxoanion, a sulfur oxide and a divalent inorganic anion. It is a conjugate base of a hydrogensulfite."}, {"from": "gpt", "value": "[O-1][S][=Branch1][C][=O][O-1]"}]