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-(1,3-benzodioxol-5-yl)-3,4,5,6-tetrahydro-1H-benzo[h]quinazoline-2-thione is given. What is its corresponding molecular formula?
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C19H16N2O2S
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