Using CC(C)CC1C(=O)NCCN1C(=O)C(=Cc1ccccc1)NC(=O)CNC(=O)OCc1ccccc1 to produce CC(C)CC1C(=O)NCCN1C(=O)C(=Cc1ccccc1)NC(=O)CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.