[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@][Branch2][Ring1][Branch1][C@H1][C][C][C@@H1][Branch1][N][C@][Ring1][=Branch1][Branch1][C][C][C][=Branch1][C][=O][O][O][Ring1][#Branch2][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a monoterpenoid with an epoxy-bridged bicyclic dicarboxylic acid structure, which acts as an inhibitor of protein phosphatases 1 and 2A. It has a role as an EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor, a hepatotoxic agent and an apoptosis inducer. It is a monoterpenoid, a dicarboxylic acid, a bridged compound and an oxabicycloalkane. It is functionally related to a cantharidin."}]