You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[4-chloro-2-hydroxy-3-(1,2-oxazolidin-2-ylsulfamoyl)phenyl]-3-(2,3-dichlorophenyl)urea .
user
C16H15Cl3N4O5S
assistant