You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by [(2S)-3-[(1S,5S)-3-bicyclo[3.1.0]hexanyl]-1-(methoxymethylamino)-1-oxopropan-2-yl] carbamate ?
user
C12H20N2O4
assistant