You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-4-phenoxy-N-propan-2-ylbutanamide into its molecular formula.
user
C23H27N3O4
assistant