Using CC(C)(C)[Si](OC[C@@H]1OC[C@H](n2cc(/C=C/Br)c(=O)[nH]c2=O)O1)(c1ccccc1)c1ccccc1 to produce O=c1[nH]c(=O)n([C@H]2CO[C@@H](CO)O2)cc1/C=C/Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.