You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name tert-butyl (2S,5S)-2-[5-(4-bromo-2-fluorophenyl)-1H-imidazol-2-yl]-5-methylpyrrolidine-1-carboxylate into its molecular formula.
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C19H23BrFN3O2
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