You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[2-(2,3-dichloro-N-(4-methylphenyl)sulfonylanilino)acetyl]-[(4-methoxyphenyl)methyl]amino]-N-methylbutanamide into its molecular formula.
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C28H31Cl2N3O5S
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