You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-[4-[7-tert-butyl-10-methylidene-3-[4-(4-pyridin-4-ylphenyl)phenyl]-9H-pyren-1-yl]phenyl]pyridine using the IUPAC nomenclature.
user
C49H38N2
assistant