You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[6-(N-cyclopropyl-N-methanimidoylcarbamimidoyl)pyridin-2-yl]-6-fluoro-2-oxo-3,4-dihydro-1H-quinoline-7-carboxamide into its molecular formula.
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C20H19FN6O2
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