Using CCCCOc1nc(C)cc(N)c1-c1cc(Br)ccc1C(=O)N(C(C)C)C(C)C to produce CCCCOc1nc(C)cc2[nH]c(=O)c3ccc(Br)cc3c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.