Using CC1(C)OC[C@H](COc2ccc3c(c2)C(=O)c2c([nH]c4cc(Br)ccc24)C3(C)C)O1 to produce CC1(C)c2ccc(OC[C@H](O)CO)cc2C(=O)c2c1[nH]c1cc(Br)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.