You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-pyrazolo[1,5-a]pyrimidin-7-yl-7-oxa-10-azaspiro[4.6]undecane-10-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H21N5O2
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