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 6-[4-[4-(3-phenanthren-9-ylphenyl)-6-phenyl-1,3,5-triazin-2-yl]phenyl]-[1]benzothiolo[3,2-c]quinoline ?
user
C50H30N4S
assistant