[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][Branch1][Ring1][C][C][C][C][=C]"}, {"from": "gpt", "value": "The molecule is an alkene that is 1-hexene substituted by an ethyl group at position 4. It has a role as a metabolite. It derives from a hydride of a 1-hexene."}]