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 2-[2-(4-ethyl-5-methyl-2-oxo-1,3,5-triazinan-1-yl)-6-nitro-1,3-benzothiazol-7-yl]propanenitrile using the IUPAC nomenclature.
user
C16H18N6O3S
assistant