Using O=C(O)c1cn(-c2cccc(Br)c2)c2ncccc2c1=O, CC(C)N to produce CC(C)NC(=O)c1cn(-c2cccc(Br)c2)c2ncccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.