Using C[C@]12CC[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CCC2=O, OC12CC3CC(CC(C3)C1)C2 to produce C[C@]12CC[C@@H]3c4cc(C56CC7CC(CC(C7)C5)C6)c(O)cc4CC[C@H]3[C@@H]1CCC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.