Using CN(C)Cc1ncc(CN2C(=O)c3ccccc3C2=O)n1-c1ccc(Br)cc1C(=O)c1ccccn1 to produce CN(C)Cc1ncc2n1-c1ccc(Br)cc1C(c1ccccn1)=NC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.