You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3,3-difluorocyclobutyl) 5-[4-[4-(1H-pyrazol-4-yl)anilino]pyrimidin-2-yl]isoindole-2-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H20F2N6O2
assistant