Using C[C@@]12C(=CC(=O)[C@@H]3C[C@@H]31)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12 to produce C[C@]12CC[C@H]3[C@@H](CCC4=CC(=O)[C@@H]5C[C@@H]5[C@@]43C)[C@@H]1CC[C@@H]2O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.