You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5,24-bis(3,3-dimethylbutan-2-yl)-3-methylpentacyclo[20.4.0.02,7.09,14.015,20]hexacosa-1(22),2(7),3,5,9,11,13,15,17,19,23-undecaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C39H48
assistant