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-[(2S)-1-[3-(3-chloro-4-cyano-5-fluorophenyl)pyrazol-1-yl]propan-2-yl]-2-[2-(2-hydroxypropan-2-yl)-1H-imidazol-5-yl]acetamide into molecular formula.
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C21H22ClFN6O2
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