You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
10-phenyl-11'-[1-(2-phenylphenyl)-2-(4-phenylphenyl)ethyl]spiro[acridine-9,8'-tetracyclo[7.5.0.02,7.010,12]tetradeca-1(9),2,4,6,10(12),13-hexaene] is the IUPAC name of a molecule. Please give its molecular formula.
user
C58H41N
assistant