You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 4-[2-[3-(3,5-dimethylphenyl)carbazol-9-yl]-5-(2,6-diphenylpyrimidin-4-yl)-3-(4-isocyanophenyl)phenyl]benzonitrile ?
user
C56H37N5
assistant