You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-[3-(2,6-dioxopiperidin-1-yl)propyl]-3-azabicyclo[3.1.0]hexan-6-yl]oxolane-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H27N3O4
assistant