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 6-(1,3-benzothiazol-2-yl)-N-phenyl-N-(3-pyrrol-1-ylphenyl)pyridin-2-amine is given. What is its corresponding molecular formula?
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C28H20N4S
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