You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[5-[4-[(4-methylpiperazin-1-yl)methyl]phenyl]-1H-pyrrolo[2,3-b]pyridin-3-yl]aniline into molecular formula.
user
C25H27N5
assistant