You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-chloro-4-[3-[[3-(4-fluorophenyl)-7-propyl-1,2-benzoxazol-6-yl]oxy]propylsulfinyl]phenyl]acetic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H25ClFNO5S
assistant