You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1,9-dioxaspiro[5.5]undecan-4-yl)-6-(2-hydroxyethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H24N4O4
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