You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 5-[5-[(3,3-difluoropyrrolidin-1-yl)methyl]pyridin-3-yl]-3-[4-(4-methylpiperazin-1-yl)-1H-pyrrolo[2,3-c]pyridin-2-yl]-1H-pyrazolo[4,3-b]pyridine ?
user
C28H29F2N9
assistant