You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5,18-bis(2,4-diphenylphenyl)hexacyclo[12.12.0.02,7.08,13.015,20.021,26]hexacosa-1(14),2(7),3,5,8,10,12,15(20),16,18,21,23,25-tridecaene by IUPAC nomenclature, provide its molecular formula.
user
C62H40
assistant