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 (2S)-2-[(3,4-dichlorophenyl)methyl-[2-(2-methoxy-N-(4-methoxyphenyl)sulfonylanilino)acetyl]amino]-N-ethylpropanamide into molecular formula.
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C28H31Cl2N3O6S
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