You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[(2-oxobenzo[cd]indol-1-yl)methyl]-N-[(E)-[(2Z)-2-(1,3,3-trimethylindol-2-ylidene)ethylidene]amino]benzamide by IUPAC nomenclature, provide its molecular formula.
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C32H28N4O2
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