You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-[4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,4,7,8-tetrahydroimidazo[4,5-d][1,3]diazepin-3-ium-8-ol by IUPAC nomenclature, provide its molecular formula.
user
C11H17N4O4+
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