Using CC(C)N(C)[C@H]1CC[C@@H](NC(=O)CNC(=O)OCc2ccccc2)CC1 to produce CC(C)N(C)[C@H]1CC[C@@H](NC(=O)CN)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.