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Under IUPAC nomenclature, a molecule named ethyl 2-[[2-[2-[1-[(5-methyl-1,2-oxazol-3-yl)amino]-1-oxopropan-2-yl]sulfanylacetyl]oxyacetyl]amino]benzoate is given. What is its corresponding molecular formula?
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C20H23N3O7S
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