You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[2-(4,6-dimethylpyridin-2-yl)ethyl]-2-[2-[4-(2,6-dimethylpyridin-4-yl)-6-methylpyridin-2-yl]ethyl]-3,4,6-trimethylpyridine is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H38N4
assistant