Using CC[C@]12CCC3=C(CC(C)c4cc(OC)ccc43)[C@@H]1CCC21OCCO1 to produce CC[C@]12CC[C@@H]3c4ccc(OC)cc4C(C)C[C@H]3[C@@H]1CCC21OCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.