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 3-[(6-bromo-1,3-benzodioxol-5-yl)methylideneamino]-5-(4-chlorophenyl)thieno[2,3-d]pyrimidin-4-one into molecular formula.
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C20H11BrClN3O3S
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