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 carbanide;7-[3-(dimethylamino)-2-hydroxypropyl]-7-aza-4-azoniaspiro[3.5]nonan-2-ol;7-[2-hydroxy-3-(methylamino)propyl]-7-aza-4-azoniaspiro[3.5]nonan-2-ol is given. What is its corresponding molecular formula?
user
C25H56N6O4
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