[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a catechin. It is functionally related to a (-)-epicatechin."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring2][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C@@H1][C@@H1][Branch2][Ring1][N][C][C][=C][Branch2][Ring1][Branch1][C][=C][Branch1][Branch2][C][=C][Ring1][=Branch1][O][Ring1][#Branch2][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O][O]"}]