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 3-[(4-ethylpiperazin-1-yl)methyl]-5-piperidin-1-ylsulfonyl-1,3-benzoxazole-2-thione is given. What is its corresponding molecular formula?
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C19H28N4O3S2
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