You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[2-methyl-5-(methylsulfamoyl)phenyl]-3-[2-[2-(4-methylphenyl)-1,3-oxazol-4-yl]ethyl]urea ?
user
C21H24N4O4S
assistant