You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(2-methoxy-4-methylphenyl)methyl]-2-methyl-3-[2-(5-methylthiophen-2-yl)-2-morpholin-4-ylethyl]guanidine;hydroiodide into its molecular formula.
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C22H33IN4O2S
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