Using CNC(=O)[C@H](CC(C)C)NC(=O)C(CC(C)C)CP(=O)(CN)OC, CC(C)C[C@H](NC(=O)OCc1ccccc1)C(=O)O to produce CNC(=O)[C@H](CC(C)C)NC(=O)C(CC(C)C)CP(=O)(CNC(=O)[C@H](CC(C)C)NC(=O)OCc1ccccc1)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.