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 3-[4-(2-methoxyethylamino)-3-(trifluoromethyl)phenyl]-2,5-dihydro-1H-1,2,4-triazin-6-one is given. What is its corresponding molecular formula?
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C13H15F3N4O2
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