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 (3S)-N-[[3-(4-fluorophenyl)-1,2-oxazol-5-yl]methyl]-7-methoxy-3,4-dihydro-2H-chromene-3-carboxamide .
user
C21H19FN2O4
assistant