You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-methyl-1-(3-methylbutan-2-yl)-3-[[3-(methylsulfamoylmethyl)phenyl]methyl]guanidine;hydroiodide into its molecular formula.
user
C16H29IN4O2S
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