[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][Ring1][C][O][C][=Branch1][C][=O][C][=O]"}, {"from": "gpt", "value": "The molecule is a 2-oxo aldehyde that is 4-hydroxybutanal carrying an oxo group at position 2. It is a degradation product of vitamin C. It has a role as a human xenobiotic metabolite and an antibacterial agent. It is a 2-oxo aldehyde and a beta-hydroxy ketone."}]