You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (E)-1-[4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxyphenyl]-N-[(3-methoxyphenyl)methoxy]methanimine into molecular formula.
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C21H16ClF3N2O3
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