You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[cyano-[3-ethyl-4-[methyl-(1-methylimidazo[4,5-c]pyridin-6-yl)amino]phenyl]methyl]pyrrolidine-3-carbonitrile;3-ethyl-4-[methyl-(1-methylimidazo[4,5-c]pyridin-6-yl)amino]benzaldehyde The above is the IUPAC name of a molecule. Write its molecular formula.
user
C40H43N11O
assistant