You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-chloro-5-[(3,4-dimethylphenyl)sulfamoyl]-N-[4-(2-methylpiperidin-1-yl)butyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H34ClN3O3S
assistant