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 methyl 2-[4-[N-(2,3-dimethoxyphenyl)-C-methylcarbonimidoyl]-2-(4-nitrophenyl)-3-oxo-1H-pyrazol-5-yl]acetate .
user
C22H22N4O7
assistant