You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,10-dihydroxy-1,8-dimethoxy-1,4,4a,7a,8,11,11a,14a-octahydropentacene-5,7,12,14-tetrone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H22O8
assistant