You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[2-(6-chloropyridin-3-yl)ethyl]-3-[2-(furan-2-yl)ethyl]-2-propylguanidine;hydroiodide by IUPAC nomenclature, provide its molecular formula.
user
C17H24ClIN4O
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