You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[5-[5-[(3,3-difluoropyrrolidin-1-yl)methyl]pyridin-3-yl]-1H-pyrazolo[3,4-c]pyridin-3-yl]-7-(5-fluorothiophen-2-yl)-1H-imidazo[4,5-b]pyridine by IUPAC nomenclature, provide its molecular formula.
user
C26H19F3N8S
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