You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (3R)-4-amino-1-[(2S)-7-fluoro-2-methyl-2,3-dihydro-1,4-benzoxazin-4-yl]-3-methylbutan-1-one .
user
C14H19FN2O2
assistant