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-N-(4-methyl-1,3-benzothiazol-2-yl)-6-N-(2-phenylethyl)pyrimidine-4,5,6-triamine is given. What is its corresponding molecular formula?
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C20H20N6S
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