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 6-(5-chloro-1,3-dimethylpyrazol-4-yl)-N-[4-(difluoromethoxy)-3-fluorophenyl]pyrazin-2-amine .
user
C16H13ClF3N5O
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