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 3-[4-[4-(1,2,3,4-tetrahydroisoquinolin-5-ylamino)piperidin-1-yl]anilino]piperidine-2,6-dione .
user
C25H31N5O2
assistant