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 2-(4-methoxyphenyl)-4-[(2-pyridin-3-ylpiperazin-1-yl)methyl]-1,3-thiazole;dihydrochloride is given. What is its corresponding molecular formula?
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C20H24Cl2N4OS
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