You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-[5-(2,4-dioxocyclopentyl)sulfanylpentyl]-3-[(2S)-3-oxopentan-2-yl]urea using the IUPAC nomenclature.
user
C16H26N2O4S
assistant