[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][=C][Branch2][=Branch1][O][C][=C][Branch2][Ring2][S][C][=C][Ring1][=Branch1][O][C][Ring1][#Branch2][C][=C][C][=Branch2][Ring1][P][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][O][O][O][C][=Branch1][C][=O][C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a diester obtained by the formal condensation of gallic acid with the hydroxy groups at positions 7 and 4' of 3',4',5',5,7-pentahydroxyflavan. Isolated from the leaves of Pithecellobium clypearia, it exhibits antiviral activity. It has a role as a metabolite and an antiviral agent. It is a diester, a gallate ester and a trihydroxyflavan. It is functionally related to a flavan."}]