Using COC(=O)C(CCBr)Oc1ccc([N+](=O)[O-])c(F)c1 to produce COC(=O)C1(Oc2ccc([N+](=O)[O-])c(F)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.