You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[(5-chloro-2,3-dihydro-1-benzofuran-7-yl)methyl]-1-cyclohexylguanidine;hydroiodide by IUPAC nomenclature, provide its molecular formula.
user
C16H23ClIN3O
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