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 6-[2-[[4-(4-fluorophenyl)-1,3-thiazol-2-yl]sulfanyl]acetyl]-4H-1,4-benzoxazin-3-one .
user
C19H13FN2O3S2
assistant