You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(6-methoxypyridin-3-yl)-3-[3-methoxy-4-(2,2,2-trifluoroethoxy)phenyl]-N-methylpropanamide is given. What is its corresponding molecular formula?
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C19H21F3N2O4
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