You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-3-amino-N-[6-fluoro-8-(2-methoxyphenyl)quinazolin-2-yl]-3-piperidin-4-yl-N'-propan-2-ylprop-2-enimidamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H31FN6O
assistant