[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][Branch2][=Branch1][S][C@H1][Branch2][Branch1][=C][O][C][=C][Ring1][=Branch1][C][=Branch2][Branch1][Ring2][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring2][Ring2][C@H1][Branch2][Ring1][C][O][C][=C][C][=Branch1][O][=C][C][=Branch1][=Branch1][=C][Ring1][#Branch2][Ring1][=Branch1][O][O][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][O][O][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a proanthocyanidin consisting of two molecules of (-)-epicatechin joined by a bond between positions 4 and 6' in beta-configuration. It can be found in grape seeds, in Hibiscus cannabinus (kenaf) root and bark, in apple and in cacao. It has a role as a metabolite. It is a hydroxyflavan, a proanthocyanidin, a biflavonoid and a polyphenol. It is functionally related to a (-)-epicatechin."}]