You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-N'-[3-[5-[(dimethylamino)methyl]thiophen-3-yl]oxypropyl]-1-N-methyl-2-nitroethene-1,1-diamine into its molecular formula.
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C13H22N4O3S
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