[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@H1][C][C][=Branch1][C][=O][C][=C][Branch1][P][C@][Ring1][#Branch1][C][C][C@H1][Branch1][Ring2][C][Ring1][Branch1][C][=Branch1][C][=C][C][C]"}, {"from": "gpt", "value": "The molecule is a cyclic ketone derived from spiro[4.5]dec-6-en-8-one by substitution of hydrogens by methyl groups at positions 6 and 10, and by an isopropenyl group at position 2 (the (2R,5S,10R)-diastereoisomer). It has a role as a phytoalexin and a plant metabolite. It is a spiro compound, a sesquiterpenoid and a cyclic ketone."}]