You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (1S,2R,6R,7S,8S,10R)-4-(2-methyl-5-nitrophenyl)-4-azatetracyclo[5.3.2.02,6.08,10]dodec-11-ene-3,5-dione .
user
C18H16N2O4
assistant