You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[2-(3,4-dimethoxyphenyl)-2-morpholin-4-ylethyl]-3-ethyl-2-[[1-(hydroxymethyl)cyclopropyl]methyl]guanidine is given. What is its corresponding molecular formula?
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C22H36N4O4
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