[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=Branch1][P][=C][C][=C][Ring1][=Branch1][S][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][Br]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of (4-bromophenylsulfanyl)pyruvic acid, arising from deprotonation of the carboxy group. It is functionally related to a pyruvate and a bromobenzene. It is a conjugate base of a (4-bromophenylsulfanyl)pyruvic acid."}]