You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by N,N-bis(4-phenylphenyl)spiro[pentacyclo[20.4.0.02,7.09,14.015,20]hexacosa-1(26),2,4,6,9,11,13,15,17,19,22,24-dodecaene-8,2'-tricyclo[5.3.1.03,11]undeca-1(10),3,5,7(11),8-pentaene]-4'-amine ?
user
C60H41N
assistant