You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 7-N-[(3-amino-4-chlorophenyl)methyl]-5-N-(2-aminopropyl)-3-propan-2-yltriazolo[4,5-d]pyrimidine-5,7-diamine by IUPAC nomenclature, provide its molecular formula.
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C17H24ClN9
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