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 ethyl 2-[[5-[[3-methyl-5-(methylamino)-1,2-thiazole-4-carbonyl]amino]-1,3,4-thiadiazol-2-yl]sulfanyl]acetate into molecular formula.
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C12H15N5O3S3
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