You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,2,2-trifluoro-1-[(2R)-6-fluoro-2-methyl-3,4-dihydro-2H-quinolin-1-yl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H11F4NO
assistant