You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[3-[(1R,2S,6S,7R)-3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl]propyl]-2-methylfuran-3-carboxamide using the IUPAC nomenclature.
user
C18H20N2O4
assistant