[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][=O]"}, {"from": "gpt", "value": "The molecule is a member of the class of butanals that consists of propane bearing a formyl substituent at the 1-position. The parent of the class of butanals. It has a role as a biomarker, an Escherichia coli metabolite and a mouse metabolite."}]