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-ethyl-2-[[3-[(2-methylpropan-2-yl)oxymethyl]phenyl]methyl]-3-[3-(oxolan-3-ylmethoxy)propyl]guanidine into molecular formula.
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C23H39N3O3
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