You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[2-[4-(4-hydroxypiperidin-1-yl)phenyl]-2-oxoethyl]-2-[4-[2-(1-methylpyrrol-3-yl)-2-oxoethyl]anilino]benzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H32N4O3
assistant