You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[(1-ethylpiperidin-3-yl)methyl]-2-methyl-3-[[4-methyl-2-(2,2,2-trifluoroethoxy)phenyl]methyl]guanidine;hydroiodide into molecular formula.
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C20H32F3IN4O
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