You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(4-fluorophenoxy)-N-[2-[5-[(4-methylphenyl)methyl]-4-oxopyrazolo[3,4-d]pyrimidin-1-yl]ethyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H22FN5O3
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