You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-chloro-N-[3-[(4R)-3-methyl-4-[(4-nitrophenyl)diazenyl]-5-oxo-4H-pyrazol-1-yl]-3-oxopropanoyl]-N-(4-methylphenyl)benzamide is given. What is its corresponding molecular formula?
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C27H21ClN6O6
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