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 [1-(oxan-4-ylmethyl)-3-(2,2,3,3-tetramethylcyclopropanecarbonyl)indol-5-yl]carbamic acid is given. What is its corresponding molecular formula?
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C23H30N2O4
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