You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
dimethyl 5-[1-[5-(2-methoxy-2-oxoethyl)-2-(4-nitrophenyl)-3-oxo-1H-pyrazol-4-yl]ethylideneamino]benzene-1,3-dicarboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H22N4O9
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