You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance furan-3-yl-[(2R,5R)-2-(pyrazol-1-ylmethyl)-1,10-dioxa-7-azaspiro[4.6]undecan-7-yl]methanone .
user
C17H21N3O4
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