You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[[1-(3-bromophenyl)cyclopropyl]methyl]-2-methyl-3-[3-(1-methylpyrazol-4-yl)propyl]guanidine;hydroiodide into its molecular formula.
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C19H27BrIN5
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