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 3-[6-(5-amino-6-methoxypyridin-2-yl)-3-oxo-1H-isoindol-2-yl]piperidine-2,6-dione .
user
C19H18N4O4
assistant