You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-(4-methoxyphenyl)propyl]-3-[1-(2-methoxyphenyl)pyrrolidin-3-yl]-2-methylguanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H33IN4O2
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