You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5R)-N-cyclopentyl-3-ethyl-4-oxo-13-pyrimidin-2-yl-3,9,13-triazadispiro[4.0.56.35]tetradecane-9-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H34N6O2
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