[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][=Branch1][C][=O][/C][=C][/C][=O]"}, {"from": "gpt", "value": "The molecule is the enal that is (E)-hex-2-enal substituted with an oxo group at C-4. It is an enal and an enone."}]