You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-(2-chloro-4-methoxyphenyl)ethyl]-2-methyl-3-[(1-propylpyrrolidin-3-yl)methyl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H32ClIN4O
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