You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-(2,3-dihydro-1-benzofuran-5-ylsulfonyl)-3-(2-pyrrolidin-1-ylethyl)pyrrolo[3,2-b]pyridine;formic acid into its molecular formula.
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C22H25N3O5S
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