You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[[8-fluoro-1-[(2R,4R)-2-methyloxan-4-yl]imidazo[4,5-c]quinolin-2-yl]methyl]-1,2-oxazole .
user
C20H19FN4O2
assistant