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 1-(3,4-difluorophenyl)-3-[4-fluoro-3-[3-(1H-pyrazol-4-yl)quinoxaline-6-carbonyl]phenyl]urea .
user
C25H15F3N6O2
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