You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-ethyl-4-[2-(4-morpholin-4-ylsulfonylphenyl)-2-oxoethyl]-1,4-benzoxazepine-3,5-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H24N2O7S
assistant