You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [4-[2-(difluoromethyl)benzimidazol-1-yl]-6-morpholin-4-ylpyrimidin-2-yl]hydrazine by IUPAC nomenclature, provide its molecular formula.
user
C16H17F2N7O
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