You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name methyl 2-[(1R,3R,8R,10S,13R)-spiro[4,6,9,14-tetraoxatetracyclo[6.6.1.01,10.03,7]pentadecane-5,1'-cyclohexane]-13-yl]acetate into its molecular formula.
user
C19H28O6
assistant