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 N-[(Z)-[6-[(Z)-(pyridin-2-ylhydrazinylidene)methyl]pyridin-2-yl]methylideneamino]pyridin-2-amine is given. What is its corresponding molecular formula?
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C17H15N7
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