You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-methoxy-6-(5-methoxy-2-octyl-1,3-dioxobenzo[de]isoquinolin-6-yl)-2-octylbenzo[de]isoquinoline-1,3-dione by IUPAC nomenclature, provide its molecular formula.
user
C42H48N2O6
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