Using CN(CCCCCCOc1ccc(C(=O)c2ccc(Br)cc2)c(F)c1)C1CC1, NO to produce CN(CCCCCCOc1ccc2c(-c3ccc(Br)cc3)noc2c1)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.