You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzene;9-N,12,12,22,22-pentamethyl-9-N,19-N,19-N-triphenylhexacyclo[11.11.0.02,11.03,8.015,23.016,21]tetracosa-1(13),2(11),3,5,7,9,14,16(21),17,19,23-undecaene-9,19-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C53H46N2
assistant