Using CC(C)C[C@H](NC(=O)[C@@H](O)CC(C)C)C(=O)O, COc1ccc([C@@H]2C=CC[C@H](N)C(=O)N2CC2CC2)cc1 to produce COc1ccc([C@@H]2C=CC[C@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](O)CC(C)C)C(=O)N2CC2CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.