You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[[(2-methylpyrimidin-4-yl)amino]methyl]-N-pyrazolo[1,5-a]pyrimidin-7-ylbenzamide;2,2,2-trifluoroacetic acid .
user
C21H18F3N7O3
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