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 2-[[2-[[(1S)-1-(1-benzofuran-2-yl)ethyl]amino]-2-oxoethyl]amino]-N-methylacetamide is given. What is its corresponding molecular formula?
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C15H19N3O3
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