You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[[3-(difluoromethoxy)-4-methoxyphenyl]methyl]-N'-methyl-4-thiophen-2-ylpiperazine-1-carboximidamide;hydroiodide into its molecular formula.
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C19H25F2IN4O2S
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