[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an organophosphonate oxoanion obtained by deprotonation of the phosphonate OH groups of (1S,2S)-1,2-dihydroxypropylphosphonic acid. It is a conjugate base of a (1S,2S)-1,2-dihydroxypropylphosphonate(1-)."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][=N][C@@H1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O]"}]