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 2-[(3R)-4-(cyclopropanecarbonyl)-3-cyclopropylpiperazin-1-yl]-6-cyclopropyl-5-(5-ethenylpyridazin-3-yl)pyridine-3-carbonitrile into molecular formula.
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C26H28N6O
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