You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[1-(2-ethyl-2-fluorobutyl)piperidin-4-yl]methoxy]-5-[2-fluoro-4-(3-nitrosopyrrolidine-1-carbonyl)phenyl]benzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H36F2N4O3
assistant