You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-[[2-[2-(diethylamino)ethoxy]phenyl]methyl]-3-[[3-(2-hydroxyethyl)oxolan-3-yl]methyl]-2-methylguanidine;hydroiodide into molecular formula.
user
C22H39IN4O3
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