You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-(4-chloro-2-methoxy-5-methylphenyl)-3-(3,4-dihydro-2H-quinolin-1-yl)-1,2,4-triazin-5-amine into molecular formula.
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C20H20ClN5O
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