You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (8R)-3,8-bis(2,4-dimethoxyphenyl)-6-oxo-2,4,7,8-tetrahydropyrido[2,1-b][1,3,5]thiadiazine-9-carbonitrile by IUPAC nomenclature, provide its molecular formula.
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C24H25N3O5S
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