You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[(Z)-1-[5-[(Z)-N-(diaminomethylideneamino)-C-methylcarbonimidoyl]-2,4-dihydroxyphenyl]ethylideneamino]guanidine;dihydrochloride into its molecular formula.
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C12H20Cl2N8O2
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