You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name [(2R,3R,4R,5R)-3,4-diacetyloxy-5-[2-chloro-6-[[(2R)-1-[(5-chloro-1,3-benzothiazol-2-yl)sulfanyl]propan-2-yl]amino]purin-9-yl]oxolan-2-yl]methyl acetate ?
user
C26H26Cl2N6O7S2
assistant