You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5,5-dimethyl-3-[4-[(1S,5R)-9-[(1R,5S)-7-methyl-3-bicyclo[3.3.1]nonanyl]-9-azabicyclo[3.3.1]nonan-3-yl]-3-oxoquinoxalin-2-yl]imidazolidine-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H41N5O3
assistant