You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-methoxy-5-(7-methylimidazo[1,2-a]pyridin-2-yl)phenyl]-2,3-dihydro-1-benzofuran-5-sulfonamide into its molecular formula.
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C23H21N3O4S
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