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-[3-[2-(1,3-benzodithiol-3-ium-2-yl)thiophen-3-yl]thiophen-2-yl]-1,3-benzodithiol-3-ium into molecular formula.
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C22H12S6+2
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