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 2-[[7-chloro-3-(2-fluorophenyl)-1,2-benzoxazol-6-yl]oxy]-4,5-dihydroxy-3-oxopentanoic acid .
user
C18H13ClFNO7
assistant