You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the SMILES representation of the molecule with IUPAC name (6R)-2-propan-2-yl-8-[(2-propylpyrimidin-5-yl)methyl]-2,8-diazaspiro[5.5]undecan-3-one ?
user
CCCC1=NC=C(CN2CCCC3(CCC(=O)N(C(C)C)C3)C2)C=N1
assistant