You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(2,4-dichlorophenyl)methyl]-4-(4-ethyl-N-methylsulfonylanilino)-N-[(2R)-1-(2-methylpropylamino)-1-oxopropan-2-yl]butanamide into its molecular formula.
user
C27H37Cl2N3O4S
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