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 4-bromo-2-prop-2-enyl-5-(4,5,6,7-tetrahydro-1-benzothiophen-4-ylamino)pyridazin-3-one is given. What is its corresponding molecular formula?
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C15H16BrN3OS
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