You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[(1S,5R)-3-benzyl-3,6-diazabicyclo[3.2.2]nonan-6-yl]methyl]-N-propylpyrimidin-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H31N5
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