Using CC(C)(C)c1cccc(C[C@H](N)C(=O)O)c1, C=C(C)C to produce CC(C)(C)OC(=O)[C@@H](N)Cc1cccc(C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.