You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-4-oxo-4-[(6-oxopiperidin-3-yl)amino]-2-propan-2-ylbutanoic acid The above is the IUPAC name of a molecule. Write its SMILES notation.
user
CC(C)C(C)(CC(=O)NC1CCC(=O)NC1)C(=O)O
assistant