You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (4R)-1-(dimethylamino)-4-[2-(trifluoromethyl)phenyl]-4,6,7,8-tetrahydro-3H-quinoline-2,5-dione ?
user
C18H19F3N2O2
assistant