You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,5S)-3-(3-chloro-4-pyrrolidin-1-ylbenzoyl)-3,6-diazabicyclo[3.2.2]nonan-7-one into its molecular formula.
user
C18H22ClN3O2
assistant