You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (3S)-3-(spiro[1,2-dihydroindene-3,4'-piperidine]-1'-carbonyl)-3,4-dihydro-1H-isoquinoline-2-carboxylic acid .
user
C24H26N2O3
assistant