You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-N-dibenzothiophen-2-yl-5-dibenzothiophen-3-yl-1-N,3-N-diphenyl-1-N-(4-phenylphenyl)benzene-1,3-diamine;prop-1-ene .
user
C57H42N2S2
assistant