Using COc1ccc(COC(=O)N[C@@H](Cc2c[nH]cn2)C(=O)N[C@@H](CC2CCCCC2)C(O)C(=O)OC(C)C)cc1 to produce CC(C)OC(=O)C(O)[C@H](CC1CCCCC1)NC(=O)[C@@H](N)Cc1c[nH]cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.