You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-(3-fluorophenyl)propyl]-2-methyl-3-[1-(1-methylpyrazol-4-yl)piperidin-3-yl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H30FIN6
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