[{"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][C][=C][Ring1][=Branch1][C@@H1][C@H1][Branch2][Ring2][=Branch2][C@][Branch1][Ring2][O][Ring1][=Branch1][Branch2][Ring1][C][O][C][=C][C][=Branch1][O][=C][C][=Branch1][=Branch1][=C][Ring1][O][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 obtained by the condensation of (-)-epicatechin units. It has a role as an antioxidant, an anti-HIV agent, a metabolite and an angiogenesis modulating agent. It is a hydroxyflavan and a proanthocyanidin. It is functionally related to a (-)-epicatechin."}]