You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1'S,2'S,3'S,5'R,6'R,7'R)-spiro[1,3-dioxolane-2,10'-tricyclo[5.2.1.02,6]dec-8-ene]-3',5'-diol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H16O4
assistant