You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 9-(4,6-diphenyl-1,2,3,4-tetrahydropyrimidin-2-yl)-3-(9-phenyl-7,8-dihydrocarbazol-3-yl)carbazole ?
user
C46H36N4
assistant