Using CC(C)C[C@@H](C(=O)NN1C(=O)CN(C(=O)OCc2ccccc2)CC1=O)[C@H](CC=Cc1ccccc1)C(=O)NOC1CCCCO1 to produce CC(C)C[C@@H](C(=O)NN1C(=O)CNCC1=O)[C@H](CCCc1ccccc1)C(=O)NOC1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.