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 diethyl-[2-[[2-oxo-2-[[(2S)-oxolan-2-yl]methylamino]ethyl]azaniumyl]ethyl]azanium is given. What is its corresponding molecular formula?
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C13H29N3O2+2
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