You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (7Z,10Z)-5,6-dihydroxy-7,11-dimethyl-4-prop-1-en-2-yl-15,17,18-trioxatetracyclo[11.2.2.12,6.01,14]octadeca-7,10-diene-9,16-dione is given. What is its corresponding molecular formula?
user
C20H24O7
assistant