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-(thiolan-1-ium-1-yl)-N-[3-[[2-(thiolan-1-ium-1-yl)acetyl]amino]propyl]acetamide into molecular formula.
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C15H28N2O2S2+2
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