You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-fluoro-2-[4-[3-[(4S)-2,2,3,3,4,5,5-heptadeuterio-4-hydroxypyrrolidin-1-yl]pyrazol-1-yl]-5-oxo-6,7-dihydropyrrolo[3,4-b]pyridin-2-yl]benzonitrile into its molecular formula.
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C21H17FN6O2
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