You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[[4-[3-(6-methylpyridin-2-yl)-1H-1,2,4-triazol-5-yl]piperidin-1-yl]methyl]phenyl]-3-phenylimidazo[1,2-a]pyridine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H31N7
assistant