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-[3-[[5-(4-methylphenyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carbonyl]amino]propyl]azanium is given. What is its corresponding molecular formula?
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C22H27F3N5O+
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