You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4-nitrophenyl)methyl (4S,5R,6S)-3-(4-acetylphenyl)-4-methyl-7-oxo-6-(1-triethylsilyloxyethyl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate .
user
C31H38N2O7Si
assistant