You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[4-chloro-2-hydroxy-3-(5,5,5-trifluoro-2-oxopentyl)sulfonylphenyl]-3-[(7S)-4,5,6,7-tetrahydro-1-benzofuran-7-yl]urea into molecular formula.
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C20H20ClF3N2O6S
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