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 1-[(1S,5R)-9-cyclopropyl-9-azoniabicyclo[3.3.1]nonan-3-yl]-3-(2-ethoxyphenyl)urea is given. What is its corresponding molecular formula?
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C20H30N3O2+
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