You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-cyclopropyl-7-(3,5-dimethylpiperidin-1-yl)-6-fluoro-8-methyl-4-oxoquinoline-3-carboxylic acid into its molecular formula.
user
C21H25FN2O3
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