[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch2][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is a triply-charged monocarboxylic acid anion obtained by deprotonation of the carboxy and phospho groups of 3-phosphonopyruvic acid. It is functionally related to a pyruvate and a phosphonate(2-). It is a conjugate base of a 3-phosphonatopyruvate(2-)."}]