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 2-methyl-4-[[4-(5-methylsulfonyl-3-nitrothiophen-2-yl)piperazin-1-yl]methyl]-1,3-thiazole into molecular formula.
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C14H18N4O4S3
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