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-[2-oxo-2-[(6-oxo-1H-pyridin-2-yl)methylamino]ethyl]thiophene-3-carboxamide is given. What is its corresponding molecular formula?
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C13H13N3O3S
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