You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,3,24,24-tetramethyl-6,21-bis(2-phenylethynyl)hexacyclo[15.7.0.02,10.04,9.011,16.018,23]tetracosa-1(17),2(10),4(9),5,7,11,13,15,18(23),19,21-undecaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C44H32
assistant