You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[1-(6,7-difluoro-1-methyl-[1,2,4]triazolo[4,3-a]quinazolin-5-yl)-2,3,4,5-tetrahydro-1-benzazepin-6-yl]-2,2-dimethylbut-3-ynenitrile into molecular formula.
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C26H22F2N6
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