You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(1-cyclopentylethenyl)-5-[3-[7-(5-methylthiophen-2-yl)-1H-imidazo[4,5-b]pyridin-2-yl]-1H-pyrazolo[4,3-b]pyridin-5-yl]pyridin-3-amine into molecular formula.
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C29H26N8S
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