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-(1-methylbenzimidazol-2-yl)-N,N-bis[5-(1-methylbenzimidazol-2-yl)pyridin-2-yl]pyridin-2-amine ?
user
C39H30N10
assistant