You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-cyano-1-[9-[(N'-cyanocarbamimidoyl)-pyridin-4-ylamino]nonyl]-1-pyridin-4-ylguanidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H30N10
assistant