You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-chloro-4-[[2-cycloheptyl-4-(methoxymethyl)-1,3-thiazol-5-yl]methoxy]phenyl]-4H-1,2,4-oxadiazol-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H24ClN3O4S
assistant