[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a phosphorothioic acid. It is a conjugate acid of a thiophosphate(2-). It is a tautomer of a phosphorothioic O,O,S-acid."}, {"from": "gpt", "value": "[O][P][=Branch1][C][=S][Branch1][C][O][O]"}]