You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2S)-N-(3-chlorophenyl)-2-(4-chlorophenyl)-2-[[2-(2,4-dichlorophenoxy)acetyl]amino]acetamide by IUPAC nomenclature, provide its molecular formula.
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C22H16Cl4N2O3
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