[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][Branch2][Branch1][=Branch2][C@H1][Branch2][Ring2][#Branch1][O][C][=C][Ring1][=Branch1][C][=Branch1][=Branch2][=C][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][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a gallate ester resulting from the formal condensation of gallic acid with 5-hydroxy group of (-)-epicatechin. Isolated from Orostachys japonica, it acts as an inhibitor of the enzyme mu-calpain (EC 3.4.22.52). It has a role as an EC 3.4.22.52 (calpain-1) inhibitor and a plant metabolite. It is a catechin and a gallate ester. It is functionally related to a (-)-epicatechin."}]