You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[4-bromo-3-(difluoromethyl)-5-methylpyrazol-1-yl]-N-[(1-ethyl-3-methylpyrazol-4-yl)methyl]acetamide .
user
C14H18BrF2N5O
assistant