You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[2-(dimethylamino)-2-(furan-2-yl)ethyl]-2-methyl-3-[[3-(trifluoromethyl)phenyl]methyl]guanidine;hydroiodide into its molecular formula.
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C18H24F3IN4O
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