You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[[[2-(cyclohexen-1-yl)ethylamino]-(ethylamino)methylidene]amino]-N,N-dimethylpropanamide;hydroiodide by IUPAC nomenclature, provide its molecular formula.
user
C16H31IN4O
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