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-(4-oxo-5-thiophen-2-ylthieno[2,3-d]pyrimidin-3-yl)-N-[(1S)-1,2,3,4-tetrahydronaphthalen-1-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
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C22H19N3O2S2
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