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