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-fluoro-N-[(1S,5R)-9-methyl-9-azabicyclo[3.3.1]nonan-3-yl]-4-nitrobenzamide by IUPAC nomenclature, provide its molecular formula.
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C16H20FN3O3
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