Using CC(=O)OCCCCC[C@@H]1Cc2cc(OC(C)=O)ccc2[C@H]2CC[C@@]3(C)[C@@H](C[C@@H](Br)C34OCCO4)[C@H]12 to produce C[C@]12CC[C@@H]3c4ccc(O)cc4C[C@@H](CCCCCO)[C@H]3[C@@H]1C=CC21OCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.