You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[2-(4-aminophenyl)sulfanyl-5-[(2-chloro-1,3-thiazol-5-yl)methoxy]phenyl]-7-propan-2-ylpyrido[2,3-d]pyrimidin-4-amine by IUPAC nomenclature, provide its molecular formula.
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C26H23ClN6OS2
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