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 tert-butyl 3-(methylaminomethyl)-5-[4-[(2-methylpropan-2-yl)oxycarbonyl]piperazin-1-yl]-3,4-dihydro-1H-isoquinoline-2-carboxylate .
user
C25H40N4O4
assistant