You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-methyl-3-[2-[8-[(1-methylpyrazol-4-yl)amino]imidazo[1,2-a]pyrazin-3-yl]ethynyl]phenyl]-4-[(4-methylpiperazin-1-yl)methyl]-3-(trifluoromethyl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H32F3N9O
assistant