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 7-[(5-methyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)sulfonyl]-[1,3]dioxolo[4,5-f]benzimidazol-6-amine is given. What is its corresponding molecular formula?
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C16H17N5O4S
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