You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-3-(4-methylsulfonylbutan-2-yl)-2-(1H-pyrazol-5-ylmethyl)guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H24IN5O2S
assistant