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-amino-5-[(2E)-2-[(3-bromophenyl)methylidene]hydrazinyl]-1,2,4-triazol-3-yl]sulfanyl]-N-(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)acetamide is given. What is its corresponding molecular formula?
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C20H19BrN8OS2
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