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 2-[3-(11,11-dimethylbenzo[a]fluoren-6-yl)-5-(2,6-dimethylpyridin-3-yl)phenyl]-4,6-diphenylpyrimidine .
user
C48H37N3
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