You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[3-fluoro-2-methyl-5-(2,2,2-trifluoroethylcarbamoyl)phenyl]-2,3-dihydro-1,4-benzodioxine-5-carboxamide .
user
C19H16F4N2O4
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