Using CC(C)C[C@@H](C(=O)NN(CC(C)C)C(=O)CCN1C(=O)c2ccccc2C1=O)[C@H](C/C=C/c1ccccc1)C(=O)NOC1CCCCO1 to produce CC(C)C[C@@H](C(=O)NN(CC(C)C)C(=O)CCN1C(=O)c2ccccc2C1=O)[C@H](C/C=C/c1ccccc1)C(=O)NO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.