You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-methyl-1-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfanyl]ethyl]-3-phenoxyguanidine;dihydrochloride into molecular formula.
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C15H23Cl2N5OS
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