You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-chloro-4-[4-[2-oxo-2-(5-propan-2-ylpyrazin-2-yl)ethyl]cyclohexyl]oxybenzonitrile;2-chloro-4-[4-[2-oxo-2-(5-propan-2-ylpyrimidin-2-yl)ethyl]cyclohexyl]oxybenzonitrile;2-chloro-4-[4-(2-propan-2-yl-1H-imidazol-5-yl)cyclohexyl]oxybenzonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C63H70Cl3N9O5
assistant