You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,6R,8R,9S,10R,15R,16S,17R)-8,17-bis[(1R)-1,2-dimethoxyethyl]-9,16-dimethoxy-2,5,7,11,14,18-hexaoxatricyclo[13.3.0.06,10]octadecane into its molecular formula.
user
C22H40O12
assistant