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 (4S)-1-[5-(4-chlorophenyl)-1,2,4-triazin-3-yl]-4-(2,3-dimethoxyphenyl)-3-methyl-5,7-dihydro-4H-pyrazolo[3,4-b]pyridin-6-one .
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C24H21ClN6O3
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