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 2-[(E)-1-cyanoprop-1-en-2-yl]-N-(2-hydroxy-5-nitrophenyl)-1,3-dioxoisoindole-5-carboxamide .
user
C19H12N4O6
assistant