You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the SMILES notation for [(1S)-1-[5-(2-methylpropyl)-2-oxopyrrolidin-3-yl]-3-oxo-4-phenylbutyl] acetate ?
user
CC(=O)OC(CC(=O)CC1=CC=CC=C1)C1CC(CC(C)C)NC1=O
assistant