[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C][C][C@@H1][C@H1][Ring1][Branch1][C][Branch1][#Branch1][O][C][=C][Ring1][=Branch1][C][O]"}, {"from": "gpt", "value": "The molecule is a cyclopentapyran that is (4aR,7aS)-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran substituted at position 1 by a hydroxy group and at positions 4 and 7 by methyl groups (the 4aR,7S,7aS)-diastereomer. It has a role as a pheromone and a plant metabolite. It is a cyclopentapyran, an iridoid monoterpenoid and a lactol."}]