Using Nc1ncc(Br)cn1, C=CC(=O)N(C)Cc1cn(C)c2ncccc12 to produce CN(Cc1cn(C)c2ncccc12)C(=O)/C=C/c1cnc(N)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.