You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[7-[2,6-bis(1-methylbenzimidazol-2-yl)pyridin-4-yl]oxynonan-2-yloxy]-6-(1-methylbenzimidazol-2-yl)pyridin-2-yl]-1-methylbenzimidazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C51H50N10O2
assistant