[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][/C][=C][/C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a methyl propenyl ketone in which the double bond has (E)-configuration. It is a key odorant responsible for the chestnut-like aroma in green tea. It has a role as a flavouring agent and a plant metabolite. It is a methyl propenyl ketone and a volatile organic compound."}]