Using CCP(=O)(OC)C(O)C(CC1CCCCC1)NC(=O)[C@H](CC(C)C)NC(=O)CCc1ccccc1 to produce COP(C)(=O)C(O)[C@H](CC1CCCCC1)NC(=O)[C@H](CC(C)C)NC(=O)CCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.