You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (4S,4aS,7aS)-6-[(4-chlorophenyl)methyl]-N-(2-methylpropyl)-1,1-dioxo-3,4,4a,5,7,7a-hexahydro-2H-thiopyrano[2,3-c]pyrrole-4-carboxamide;2,2,2-trifluoroacetic acid into its molecular formula.
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C21H28ClF3N2O5S
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