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 butyl 4-[[2-[(4-chlorophenyl)sulfonyl-[(2-fluorophenyl)methyl]amino]acetyl]amino]benzoate is given. What is its corresponding molecular formula?
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C26H26ClFN2O5S
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