You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R,7S,8R)-8-[3-(trifluoromethyl)phenyl]-9-azapentacyclo[11.8.0.02,10.03,7.015,20]henicosa-1(13),2(10),4,11,15,17,19-heptaene-14,21-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H18F3NO2
assistant