Using BrCc1ccccc1, C/C(=C\c1cccc(O)c1)[N+](=O)[O-] to produce C/C(=C\c1cccc(OCc2ccccc2)c1)[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.