You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[3-(ethylcarbamoylcarbamoyl)thiolan-2-yl]-2,3,3a,4,5,6,7,7a-octahydro-1,3-benzothiazole-2-carboxamide ?
user
C16H26N4O3S2
assistant