You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[5-[[(Z)-4-amino-1,1,1-trifluoro-4-pyridin-3-ylbut-3-en-2-ylidene]amino]pyridin-2-yl]-1-benzyl-6-oxopyridine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H21F3N6O2
assistant