Using CC(C)c1cccc(CNC[C@@H](O)[C@@H](N)Cc2ccccc2)c1, CCCN1CCC[C@@]12CCN([C@@H](C)C(=O)O)C2=O to produce CCCN1CCC[C@@]12CCN([C@@H](C)C(=O)N[C@@H](Cc1ccccc1)[C@H](O)CNCc1cccc(C(C)C)c1)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.