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 (2R,4aR,8aS)-2-[2-(2-methoxyanilino)-2-oxoethyl]-3-oxo-N-phenyl-2,4,4a,5,6,7,8,8a-octahydroquinoxaline-1-carboxamide is given. What is its corresponding molecular formula?
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C24H28N4O4
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