You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-N-(4-fluorophenyl)-2-N-[(Z)-(4-methoxyphenyl)methylideneamino]-6-morpholin-4-yl-1,3,5-triazine-2,4-diamine into its molecular formula.
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C21H22FN7O2
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