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 (Z)-3-(3-ethoxyphenyl)-2-(4-methyl-5-phenyl-1,2,4-triazol-3-yl)prop-2-enenitrile is given. What is its corresponding molecular formula?
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C20H18N4O
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