You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[4-[[1-cyano-2-[4-(3-methyl-2-oxo-1,3-benzoxazol-5-yl)phenyl]ethyl]carbamoyl]oxan-4-yl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H32N4O6
assistant