[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a methyl ketone that is tridecane in which the methylene hydrogens at position 2 are replaced by an oxo group. It has a role as a plant metabolite and a flavouring agent. It derives from a hydride of a tridecane."}]