You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-(5-aminopentyl)-7-(4-ethylpiperazin-1-yl)-6-fluoro-8-methoxy-4-oxo-2,3-dihydroquinoline-3-carboxylic acid into its molecular formula.
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C22H33FN4O4
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