You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[4-methoxy-2-(methoxymethyl)butoxy]-2-[[4-methoxy-2-(methoxymethyl)butoxy]methyl]butyl] propanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H44O8
assistant