[{"from": "human", "value": "Provide a description of this molecule. [C][=C][S][C][=Branch1][Ring2][=C][Ring1][Branch1][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 4-oxo monocarboxylic acid that is butyric acid bearing oxo and 2-thienyl groups at position 4. It has a role as a hapten. It is a member of thiophenes and a 4-oxo monocarboxylic acid. It is functionally related to a butyric acid."}]