You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R)-2-[[2-(3-acetyl-N-methylsulfonylanilino)acetyl]-[(3-methylphenyl)methyl]amino]-N-[(2R)-butan-2-yl]butanamide into its molecular formula.
user
C27H37N3O5S
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