You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-bromo-5-cyclopropyl-3-(trifluoromethyl)pyrazol-1-yl]-N-[4-bromo-1-[(2,4-dichlorophenyl)methyl]pyrazol-3-yl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H16Br2Cl2F3N5O
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