You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[5-(3-fluorophenyl)pyrazolidin-3-yl]-1-methylsulfonyl-3,4-dihydro-2H-quinoline-6-carboxamide into molecular formula.
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C20H23FN4O3S
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