You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-amino-3-[2-chloro-7-methyl-4-(thiophen-2-ylmethylamino)thieno[3,2-d]pyrimidin-6-yl]propan-1-ol;dihydrochloride by IUPAC nomenclature, provide its molecular formula.
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C15H19Cl3N4OS2
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