You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[(3S)-3-phenylpiperidin-1-yl]methyl]-3-(2,3,4-trimethoxyphenyl)-1,2,4-oxadiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H27N3O4
assistant