You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2,6-ditert-butyl-4-[5-(2,6-ditert-butylpyrylium-4-yl)thiophen-2-yl]pyrylium;ditetrafluoroborate into molecular formula.
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C30H42B2F8O2S
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