You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [2-(3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrol-2-ylmethyl)-6-nitrophenyl]hydrazine by IUPAC nomenclature, provide its molecular formula.
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C14H20N4O2
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