You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-[[4-fluoro-3-(hydroxymethyl)phenyl]methyl]-1-[2-(trifluoromethoxy)phenyl]guanidine;hydroiodide is given. What is its corresponding molecular formula?
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C16H16F4IN3O2
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