You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-N,3-N,5-N-tris[6-(2-methylquinolin-8-yl)pyridin-3-yl]benzene-1,3,5-tricarboxamide .
user
C54H39N9O3
assistant