You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[2-(5-chlorothiophen-2-yl)-2-hydroxyethyl]-1-ethyl-3-[3-(oxolan-3-ylmethoxy)propyl]guanidine;hydroiodide into its molecular formula.
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C17H29ClIN3O3S
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