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 [(3S,4S,5R,6S)-4,5-diacetyloxy-6-[(2-methyl-1,3-benzothiazol-5-yl)oxy]thian-3-yl] acetate .
user
C19H21NO7S2
assistant