Using Cc1c([N+](=O)[O-])cc(Br)c(Oc2cc(C=O)c(O)c(C(C)C)c2)c1Br to produce Cc1c([N+](=O)[O-])cc(Br)c(Oc2cc(CO)c(O)c(C(C)C)c2)c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.