You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[3-(difluoromethyl)-1-methylpyrazol-4-yl]-3-[[5-fluoro-2-(methylsulfonylmethyl)phenyl]methyl]urea .
user
C15H17F3N4O3S
assistant