You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(4-fluorophenyl)-4,7,7-trimethyl-3-[(4-nitrophenyl)hydrazinylidene]-2-oxobicyclo[2.2.1]heptane-1-carboxamide ?
user
C23H23FN4O4
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