You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[6-(4-aminophenyl)-3-methyl-1-(oxan-2-yl)pyrazolo[3,4-d]pyrimidin-4-yl]-N',N'-dimethylethane-1,2-diamine ?
user
C21H29N7O
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