You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-5-phenylpyrazine;2-methyl-5-phenylpyridine;5-methyl-2-phenylpyridine;2-methyl-5-phenylpyrimidine;2-methyl-5-pyridin-2-ylpyridine;5-methyl-2-pyridin-2-ylpyridine;2-methyl-4-pyridin-4-yl-1,3,5-triazine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C77H70N14
assistant