[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][C@@H1][Branch2][Branch1][#C][C@H1][Branch2][Branch1][Branch1][C][=C][C][=Branch2][Ring2][=N][=C][Branch2][Ring2][#Branch1][C][=Branch2][Ring1][P][=C][Ring1][=Branch1][C][=C][Branch2][Ring1][#Branch1][C][=C][Branch1][=C][C][=C][Ring1][=Branch1][C@@H1][Ring1][S][O][C][=Branch1][C][=O][C][O][C][O][Ring1][N][O][C][O][C][O][C][O][C][O][C][=Branch1][C][=O][C][C]"}, {"from": "gpt", "value": "The molecule is a lignan with a dibenzocyclooctadiene skeleton isolated from Kadsura ananosma. It has a role as a plant metabolite and a neuroprotective agent. It is an acetate ester, an aromatic ether, a lignan, an organic heterotetracyclic compound and an oxacycle."}]