You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 4-N,13-N-bis(9,9-dimethylfluoren-2-yl)-4-N,13-N-diphenyl-1-azaheptacyclo[14.10.1.02,7.08,27.010,15.017,26.018,23]heptacosa-2(7),3,5,8(27),9,11,13,15,17(26),18,20,22,24-tridecaene-4,13-diamine using the IUPAC nomenclature.
user
C68H49N3
assistant