You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-N,19-N-diphenyl-7-N,19-N-bis[9-(3-propan-2-ylphenyl)carbazol-2-yl]-10,16-dithiahexacyclo[11.11.0.03,11.04,9.015,23.017,22]tetracosa-1,3(11),4(9),5,7,12,14,17(22),18,20,23-undecaene-7,19-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C76H56N4S2
assistant