[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch2][#Branch1][C][C@H1][Branch2][Branch1][S][O][C][=C][Ring1][=Branch1][C][=Branch2][Branch1][=Branch1][=C][C][=Branch2][Ring2][S][=C][Ring1][=Branch1][C@@H1][C@H1][Branch2][Ring2][#Branch1][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][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][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 (-)-epigallocatechin and (-)-epicatechin units joined by a (4beta->8)-linkage. It has a role as a metabolite. It is a hydroxyflavan, a proanthocyanidin, a polyphenol and a biflavonoid. It is functionally related to a (-)-epigallocatechin and a (-)-epicatechin."}]