You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[1-[(2S)-6-amino-4-(4-methylphenyl)sulfonyl-2,3-dihydro-1,4-benzoxazin-2-yl]-2-methylpropan-2-yl]-4H-1,2,4-oxadiazol-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H24N4O5S
assistant