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 (1Z,3Z)-1-[4-[3-[4-(2,6-diphenylpyrimidin-4-yl)phenyl]dibenzofuran-4-yl]phenyl]-4-phenylbuta-1,3-diene-1,4-diamine .
user
C50H36N4O
assistant