Using CC(C)(C)OC(=O)[C@@H](N)Cc1cccc2ccccc12, CCOP(=O)(OCC)C(CCc1ccccc1)N[C@@H](CC(C)C)C(=O)O to produce CCOP(=O)(OCC)C(CCc1ccccc1)N[C@@H](CC(C)C)C(=O)N[C@@H](Cc1cccc2ccccc12)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.