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 N-ethyl-3-(6-fluoro-2-oxo-3,4-dihydroquinolin-1-yl)-N-[[(2S)-oxolan-2-yl]methyl]propanamide ?
user
C19H25FN2O3
assistant