You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule hydroxy-[1-[hydroxy(oxo)azaniumyl]oxy-3-[(2-methylpropan-2-yl)oxy]propan-2-yl]oxy-oxoazanium into molecular formula.
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C7H16N2O7+2
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