You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-ethyl-5-[(S)-(4-ethylphenyl)-(4-methylpiperazine-1,4-diium-1-yl)methyl]-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-ol into molecular formula.
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C20H29N5OS+2
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