[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][C][C][=Branch1][C][=O][N][Branch2][#Branch1][=N][C][Branch2][=Branch1][S][C][=Branch1][C][=O][O][C][Branch2][=Branch1][C][C][=Branch1][C][=O][N][Branch2][Branch1][=Branch2][C][Branch2][Ring2][N][C][=Branch1][C][=O][O][C][Branch2][Ring1][=C][C][=Branch1][C][=O][N][Branch2][Ring1][Branch1][C][Branch1][=Branch2][C][=Branch1][C][=O][O][Ring2][Ring1][Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Branch1][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Branch1][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C]"}, {"from": "gpt", "value": "The molecule is a cyclic hexadepsipeptide antibiotic and mycotoxin isolated from the fungus Beauveria bassiana and various Fusarium fungal species.  As a potassium-specific ionophore, beauvericin A increases intracellular calcium concentrations and triggers DNA fragmentation and apoptosis through a calcium dependent caspase 3-sensitive pathway.  This agent has been studied as a potential antineoplastic agent. (NCI04)"}]