You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-(2,7-dimethylpyrazolo[1,5-a]pyrimidin-6-yl)ethyl]-3-ethoxypropan-1-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H24N4O
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