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 (3S)-2-[3-(3-tert-butyl-1,2,4-oxadiazol-5-yl)propanoyl]-3,4-dihydro-1H-isoquinoline-3-carboxylic acid .
user
C19H23N3O4
assistant