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 N-[(4R)-1,9-dioxaspiro[5.5]undecan-4-yl]-5-(5-methylfuran-2-yl)-1H-pyrazole-3-carboxamide .
user
C18H23N3O4
assistant