Using C[C@]12CC[C@H](OCc3ccccc3)CC1=CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12, C[C@]12CC[C@H]3[C@@H](C=C[C@@]4(OO)C[C@@H](O)CC[C@]34C)[C@@H]1CCC2=O to produce C[C@H]1CC[C@@]2(C)[C@@H](CC[C@@H]3[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.