[{"from": "human", "value": "Describe this molecule. [C][O][C][=C][Branch2][Ring2][Ring2][C][=C][Branch1][Branch1][C][=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][C]"}, {"from": "gpt", "value": "The molecule is a butan-4-olide that is (-)-pluviatolide in which the phenolic hydroxy group has been converted to the corresponding methyl ether. It has a role as a plant metabolite. It is an aromatic ether, a member of benzodioxoles, a butan-4-olide and a lignan. It is functionally related to a (-)-pluviatolide."}]