You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
11,24-bis(2-methyl-5-phenylphenyl)-8,21-diphenyl-11,24-diazaoctacyclo[15.11.1.14,28.02,15.03,12.05,10.018,23.025,29]triaconta-1(28),2(15),3(12),4(30),5(10),6,8,13,16,18(23),19,21,25(29),26-tetradecaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C66H44N2
assistant