You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-chloro-2-[3-[4-(diethylsulfamoyl)phenyl]prop-2-enoylamino]-N-propan-2-ylbenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H28ClN3O4S
assistant