You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 7,10,17,20-tetraphenyltricyclo[14.4.0.06,11]icosa-1,2,3,4,5,7,9,11,12,13,14,15,17,19-tetradecaene .
user
C44H24
assistant