You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-2-[2-(5-ethyl-1,3-thiazol-2-yl)ethyl]-3-(4-hydroxycyclohexyl)guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H29IN4OS
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