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-(1H-benzimidazol-2-yl)-3-[5-tert-butyl-2-[4-(phenylsulfamoyl)phenyl]pyrazol-3-yl]urea ?
user
C27H27N7O3S
assistant