You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-N,6-N,9,10-tetrakis(4-methylphenyl)-2-N,6-N-bis(4-propan-2-ylphenyl)anthracene-2,6-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C60H56N2
assistant