You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-ethyl-3-[(3-methyl-1,2,4-oxadiazol-5-yl)methyl]-2-[(3,4,5-trimethoxyphenyl)methyl]guanidine;hydroiodide .
user
C17H26IN5O4
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