You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 6-[2-[1-(6-carbamimidoyl-1H-indol-3-yl)propyl]phenyl]-1,3-benzodioxole-5-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
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C26H23N3O4
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