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 N-[(E)-[(3aR,5E,11aS)-3,3a,4,7,8,9,10,11a-octahydro-1H-cyclodeca[c]furan-11-ylidene]amino]-2,4-dinitroaniline into molecular formula.
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C18H22N4O5
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