[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a lignan with a dibenzocyclooctadiene skeleton isolated from Kadsura ananosma. It has a role as a metabolite and a plant metabolite. It is an aromatic ether, a butyrate ester, an enoate ester, a lignan, an organic heterotetracyclic compound and an oxacycle. It is functionally related to an angelic acid."}, {"from": "gpt", "value": "[C][C][C][C][=Branch1][C][=O][O][C@@H1][C@@H1][Branch2][Branch1][P][C@@H1][Branch2][Branch1][N][C@H1][Branch2][Ring2][=N][C][=C][C][=Branch2][Ring2][Branch1][=C][Branch2][Ring1][#C][C][=Branch2][Ring1][=Branch2][=C][Ring1][=Branch1][C][=C][Branch1][S][C][=C][Branch1][#Branch1][C][=C][Ring1][S][Ring1][=Branch1][O][C][O][Ring1][#Branch1][O][C][O][C][O][C][O][C][O][C][=Branch1][C][=O][/C][=Branch1][Ring1][=C][\\C][/C][C][C]"}]