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 N-methyl-2-[5-(5-methylthiophen-2-yl)-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl]-N-(naphthalen-1-ylmethyl)acetamide is given. What is its corresponding molecular formula?
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C25H21N3O2S2
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