You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(3R)-2,3-dihydro-1,4-benzodioxin-3-yl]methyl-methyl-[2-oxo-2-(2-oxoimidazolidin-1-yl)ethyl]azanium into molecular formula.
user
C15H20N3O4+
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