You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(8S)-2-[(E)-2-[6-(2,2-difluoroethoxy)-5-(4-methylimidazol-1-yl)pyridin-2-yl]ethenyl]-8-[2-(trifluoromethyl)phenyl]-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H23F5N6O
assistant