You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[4-(3,5-ditert-butylphenyl)-6-[3-phenyl-5-(2-pyridin-2-ylpropan-2-yl)phenyl]pyridin-2-yl]-9H-carbazole .
user
C51H49N3
assistant