You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2E)-7-(1-methoxynaphthalen-2-yl)-1,4-dimethyl-2-[(4-methyl-5-oxo-2H-furan-2-yl)oxymethylidene]-1H-cyclopenta[b]indol-3-one into its molecular formula.
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C30H25NO5
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