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 N-[3-(2'-oxospiro[6H-furo[2,3-f][1,3]benzodioxole-7,3'-indole]-1'-yl)propyl]pentanamide is given. What is its corresponding molecular formula?
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C24H26N2O5
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