You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (3S)-3-[[3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]-3-(3-nitrophenyl)propanoic acid into molecular formula.
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C20H15Cl2N3O6
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