[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a tannin. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C@H1][C][C][=C][C][=Branch2][Ring2][N][=C][Branch2][Ring2][=Branch1][C][=Branch2][Ring1][S][=C][Ring1][=Branch1][C][=C][Branch2][Ring1][=Branch1][C][=C][Branch1][=N][C][=C][Ring1][=Branch1][C@@H1][Branch1][Branch1][C@H1][Ring1][S][C][O][O][C][O][Ring1][O][O][C][O][C][O][C][O][C]"}]