You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1S,2'S,3S,4R)-2'-acetyloxy-3-aminospiro[bicyclo[2.2.1]heptane-2,4'-cyclopentane]-1'-yl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H23NO4
assistant