You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(4-ethylphenyl)-2-[4-[1-oxido-3-(trifluoromethyl)pyridin-1-ium-2-yl]piperazin-1-yl]-6-piperidin-1-ylpyrimidin-4-amine .
user
C27H32F3N7O
assistant