You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[3-[[2-[[6-(4-acetylpiperazin-1-yl)-2-methoxypyridin-3-yl]amino]-5-(trifluoromethyl)pyrimidin-4-yl]amino]phenyl]prop-2-enamide into molecular formula.
user
C26H27F3N8O3
assistant