You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[4-(3-cyclopropyl-7-fluoro-2-methylbenzimidazol-5-yl)-5-fluoropyrimidin-2-yl]-6-[(2S)-2-(dimethylamino)propyl]-7,8-dihydro-5H-1,6-naphthyridin-2-amine by IUPAC nomenclature, provide its molecular formula.
user
C28H32F2N8
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