You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[[N'-methyl-N-[2-(4-methylphenyl)ethyl]carbamimidoyl]amino]-N-propan-2-ylcyclohexane-1-carboxamide;hydroiodide into its molecular formula.
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C21H35IN4O
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