You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 5-isocyano-3-[3-[4-[5-(6-methylpyridin-3-yl)pyrimidin-2-yl]piperazin-1-yl]propyl]-1H-indole into molecular formula.
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C26H27N7
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