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 N-[5-[2-[(4-chlorophenyl)methylamino]-2-oxoethyl]-2H-thieno[2,3-c]pyrazol-3-yl]-4-(4-methylpiperazin-1-yl)benzamide is given. What is its corresponding molecular formula?
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C26H27ClN6O2S
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