You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,8,14,20-tetrakis(4-methoxyphenyl)pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3(28),4,6,9(27),10,12,15,17,19(26),21,23-dodecaene-4,6,10,12,16,18,22,24-octol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C56H48O12
assistant