You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-[4-[(E)-3-(7,9-difluoro-1,2,4,4a,5,6-hexahydropyrazino[1,2-a]quinolin-3-yl)prop-1-enyl]-5-methylpyrazol-1-yl]-6-[(dimethylamino)methyl]pyrimidin-2-amine .
user
C26H32F2N8
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