Using Cc1c[nH]c2c(Br)ccc([N+](=O)[O-])c2c1=O, CCOC(=O)C1CC=C(B2OC(C)(C)C(C)(C)O2)CC1 to produce CCOC(=O)C1CC=C(c2ccc([N+](=O)[O-])c3c(=O)c(C)c[nH]c23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.