Using C[C@]12CCC(=O)C=C1CC[C@H]1[C@@H]3CCC(=O)[C@@]3(C)CC[C@@]12O to produce C[C@]12CCC(=O)C=C1CC[C@@H]1C2=CC[C@]2(C)C(=O)CC[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.