You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule tert-butyl (3R,4S,6R)-3-(aminomethyl)-6-fluoro-2-azabicyclo[2.2.1]heptane-2-carboxylate into molecular formula.
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C12H21FN2O2
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