You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-(4-fluorophenyl)-N-(8-methyl-8-azabicyclo[3.2.1]octan-3-yl)prop-2-enamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H21FN2O
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