You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-morpholin-4-yl-N-[2-oxo-2-(4-oxo-2-phenyl-1,5-diazecan-1-yl)ethyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H32N4O4
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