You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-chloro-N-[3-methoxy-1-oxo-1-[4-(3-oxomorpholin-4-yl)-3-(trifluoromethyl)anilino]propan-2-yl]thiophene-2-carboxamide into its molecular formula.
user
C20H19ClF3N3O5S
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