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 3-(furan-2-ylmethylideneamino)-2-oxo-N-(2-oxo-1-thiophen-2-ylethyl)imidazolidine-1-carboxamide is given. What is its corresponding molecular formula?
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C15H14N4O4S
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