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-[4-[2-(2-hydroxyethylamino)-2-methylpropanoyl]cyclohexa-1,3-dien-1-yl]sulfanylacetic acid is given. What is its corresponding molecular formula?
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C14H21NO4S
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