Using C=CC[C@@H](NC(=O)N1C(=O)C(CC)(CC)[C@@H]1Oc1ccc(C(C)=O)cc1)c1ccc(C)cc1 to produce CCC[C@@H](NC(=O)N1C(=O)C(CC)(CC)[C@@H]1Oc1ccc(C(C)=O)cc1)c1ccc(C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.