Using COC(=O)c1ccc([N+](=O)[O-])cc1Br, C=CB1OB(C=C)OB(C=C)O1 to produce C=Cc1cc([N+](=O)[O-])ccc1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.