You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
cyclopropyl 2-[2-[3-oxo-3-(4-piperazin-1-ylpiperidin-1-yl)propyl]imidazol-1-yl]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H31N5O3
assistant