You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named trimethyl-[2-[2-pyridin-2-yl-3-(2-trimethylsilylethynyl)azulen-1-yl]ethynyl]silane is given. What is its corresponding molecular formula?
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C25H27NSi2
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