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 benzene-1,2-diamine;ethane;20'-(3-methylphenyl)spiro[fluorene-9,25'-hexacyclo[12.11.0.02,7.08,13.015,24.018,23]pentacosa-1(14),2,4,6,8,10,12,15(24),16,18(23),19,21-dodecaene] .
user
C52H42N2
assistant