You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [4-[2-[(Z)-2-(2-chlorophenyl)ethenyl]-6-methoxyquinazolin-4-yl]cyclohexyl]hydrazine;dihydrochloride into its molecular formula.
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C23H27Cl3N4O
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