You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4-amino-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrol-2-yl)-(2,5,7-trimethylpyrazolo[1,5-a]pyrimidin-3-yl)methanone into its molecular formula.
user
C17H23N5O
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