[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=C][Branch2][Branch1][C][C][=Branch2][Ring2][N][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is a diphenylmethylpiperazine calcium channel blocker with relatively selective central nervous system (CNS) effects. This drug is used to prophylactically treat migraines and is also being investigated against eye-related diseases that are associated with local circulatory disturbances, an example being normal-tension glaucoma."}]