You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(2,4-dimethylphenyl)carbamoyl]-2-[5-[3-(trifluoromethyl)phenyl]tetrazol-2-yl]propanamide into molecular formula.
user
C20H19F3N6O2
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