You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-chloro-N-[4-[4-(3-methylphenyl)piperazin-1-yl]butyl]-3-oxo-4H-1,4-benzoxazine-7-sulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H29ClN4O4S
assistant