You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,9S)-11-(pyridine-4-carbonyl)-3-[4-(trifluoromethoxy)phenyl]-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-dien-6-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H20F3N3O3
assistant