You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-[(4R)-4-hydroxy-3,3-dimethyl-9-(pyridine-3-carbonyl)-2,9-diazaspiro[5.5]undecan-2-yl]ethanone using the IUPAC nomenclature.
user
C19H27N3O3
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