You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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[1-oxo-1-[(2-propan-2-ylpyrazol-3-yl)amino]propan-2-yl] 7-fluoro-2-methylquinoline-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
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C20H21FN4O3
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