You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named iridium;1-methyl-2-phenylimidazole;4-(1-methyltriazol-2-ium-2-yl)-3H-pyridin-3-ide is given. What is its corresponding molecular formula?
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C18H17IrN6-
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