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 2-[[(4R)-4-(4-ethylphenyl)-4H-1,3-benzodioxin-5-yl]oxy]-6-(hydroxymethyl)oxane-3,4,5-triol ?
user
C22H26O8
assistant