[{"from": "human", "value": "Describe this molecule. [C][C][C][=O]"}, {"from": "gpt", "value": "The molecule is an aldehyde that consists of ethane bearing a formyl substituent. The parent of the class of propanals. It has a role as an Escherichia coli metabolite. It is an alpha-CH2-containing aldehyde and a member of propanals."}]