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 6-[2-chloro-4-(6-methylpyridin-3-yl)phenyl]-2-[4-[2-(dimethylamino)ethyl]anilino]-8-ethylpyrido[2,3-d]pyrimidin-7-one .
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C31H31ClN6O
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