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-[4-(trifluoromethyl)phenyl]-3-[1-(3,3,3-trifluoropropylsulfonyl)piperidin-4-yl]urea .
user
C16H19F6N3O3S
assistant