[{"from": "human", "value": "Describe this molecule. [C][O][C][=C][Branch2][Ring2][Ring2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C@@H1][C@H1][Branch1][#Branch1][C][O][C][Ring1][Branch1][=O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][Ring1][#Branch1][O]"}, {"from": "gpt", "value": "The molecule is a butan-4-olide that is dihydrofuran-2(3H)-one which is substituted by a vanillyl group at position 3 and by a 3,4-methylenedioxybenzyl group at position 4 (the R,R stereoisomer). It has a role as a plant metabolite. It is a member of phenols, a member of benzodioxoles, an aromatic ether, a lignan and a butan-4-olide."}]