You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-1-[2-[[2-methyl-1-[5-methyl-2-[3-(trifluoromethyl)phenyl]-1H-imidazol-4-yl]propan-2-yl]amino]acetyl]pyrrolidine-2-carbonitrile into molecular formula.
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C22H26F3N5O
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