You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(3-cyclopropylpyrazolo[1,5-a]pyrimidin-5-yl)-N-methyl-7,8-dihydropyrido[2,3-d]pyrimidin-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H17N7
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