You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-morpholin-4-ylsulfonyl-N-[2-(4-oxo-5H-pyrazolo[3,4-d]pyrimidin-1-yl)phenyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H20N6O5S
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