[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=Branch2][Ring1][O][=C][Branch1][=N][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][/C][=C][\\C][=Branch1][C][=O][C][=Branch1][C][=O][O][O-1]"}, {"from": "gpt", "value": "The molecule is a 2-oxo monocarboxylic acid anion and an arenesulfonate oxoanion. It is functionally related to a but-3-enoate."}]