You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-amino-1-(2-hydroxy-4-azatricyclo[4.2.1.03,7]nonan-4-yl)-2-methoxypropan-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H20N2O3
assistant