You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[3-(5-chloro-1,3-dimethylpyrazol-4-yl)prop-2-enoyl]-N-(3-cyanophenyl)pyrazolidine-1-carbothioamide into its molecular formula.
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C19H19ClN6OS
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