You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-(2-methoxyethyl)-2-[3-[3-(2-methoxyethyl)-1,1-dimethylbenzo[e]indol-3-ium-2-yl]prop-2-enylidene]-1,1-dimethylbenzo[e]indole by IUPAC nomenclature, provide its molecular formula.
user
C37H41N2O2+
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