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-[[3-(2-hydroxyethyl)oxolan-3-yl]methyl]-2-methyl-3-[(3-propan-2-yloxyphenyl)methyl]guanidine;hydroiodide into molecular formula.
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C19H32IN3O3
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