You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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What is the molecular formula of the compound with this IUPAC name (2S)-3-[2-(3,5-dichlorophenyl)phenyl]-2-[[(3S)-5-hydroxy-2-oxohexan-3-yl]amino]propanoic acid ?
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C21H23Cl2NO4
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