You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-(aminomethyl)-1-ethyl-N-[1-(5-methyl-1,3-thiazol-2-yl)ethyl]pyrrole-3-sulfonamide into its molecular formula.
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C13H20N4O2S2
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