You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 4-methyl-3-(7-oxo-5H-pyrrolo[3,4-d]pyrimidin-6-yl)piperidine-2,6-dione using the IUPAC nomenclature.
user
C12H12N4O3
assistant