[{"from": "human", "value": "Describe this molecule. [C][Branch2][Ring1][Branch1][C][=Branch1][C][=N][C][C][Branch1][N][C][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=Branch1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a butenolide that is 3,4-dihydroxyoxolan-2-one carrying an additional 2-hydroxyethanimidoyl substituent at position 5. It is a butenolide, an imine and a triol."}]