You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[[4-[(3-methylpiperidin-1-yl)methyl]phenyl]methyl]-3-(1-propanoylpyrrolidin-3-yl)guanidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H37N5O
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