[{"from": "human", "value": "What can you tell me about this molecule? [C][P][=Branch1][C][=O][Branch1][N][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is the carboxylate anion of 4-(hydroxymethylphosphinyl)-2-oxobutyric acid. It is functionally related to a butyrate. It is a conjugate base of a 4-(hydroxymethylphosphinyl)-2-oxobutyric acid."}]