You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(3-chloro-4-fluorophenyl)-1-(1,1-dioxothiolan-3-yl)-5-thiophen-2-ylpyrazole-3-carboxamide into its molecular formula.
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C18H15ClFN3O3S2
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