You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(E)-3-[2-[(4-chlorophenyl)carbamoyl]hydrazinyl]-1-(3-nitrophenyl)-3-oxoprop-1-en-2-yl]benzamide by IUPAC nomenclature, provide its molecular formula.
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C23H18ClN5O5
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