You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[4-[methyl(propan-2-yl)amino]butyl]-3-(1-propanoylpyrrolidin-3-yl)guanidine;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H36IN5O
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