[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][/C][=Branch1][P][=C][/C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][=O][/C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpenoid."}]