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-dimethyl-3-(6-methyl-[1]benzofuro[2,3-b]pyridin-7-yl)-2H-benzimidazole-4,5-dicarbonitrile into molecular formula.
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C23H17N5O
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