You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-chloro-4-[2-(4-ethylcyclohexyl)oxypyrimidin-5-yl]phenyl]-1H-benzimidazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H25ClN4O
assistant