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 (Z)-N-[6-(2,6-diaminohexanoylamino)-1-(methylamino)-1-oxohexan-2-yl]octadec-9-enamide is given. What is its corresponding molecular formula?
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C31H61N5O3
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