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-[2-[(E)-[[2-[(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)sulfanyl]acetyl]hydrazinylidene]methyl]phenoxy]acetic acid into molecular formula.
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C20H18N4O4S3
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