[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a phosphorus oxoanion resulting from the removal of a proton from the hydroxy group of phosphinic acid. It is a phosphorus oxoanion and a monovalent inorganic anion. It is a conjugate base of a phosphinic acid."}, {"from": "gpt", "value": "[O][P][=O]"}]