You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[2-(acetyloxymethyl)-5-amino-4-fluorophenyl]-7-(3-aminopyrrolidin-1-yl)-8-bromo-6-fluoro-4-oxoquinoline-3-carboxylic acid into its molecular formula.
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C23H21BrF2N4O5
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