[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a lignan. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C@@H1][C][C][=C][C][=Branch2][Ring1][S][=C][Branch2][Ring1][O][C][=C][Ring1][=Branch1][C@H1][Branch1][Branch1][C@@H1][Ring1][#Branch2][C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][O][O][C]"}]