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 (2E)-1-(1,2-diphenylethyl)-3-(3-methylbutyl)-2-[(E)-3-(1,3,3-trimethylindol-1-ium-2-yl)prop-2-enylidene]-1H-benzo[e]indole is given. What is its corresponding molecular formula?
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C45H47N2+
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