Using ClCc1nnc2n1-c1ccc(Br)cc1C(c1ccccc1)=NC2, NC1CC1 to produce Brc1ccc2c(c1)C(c1ccccc1)=NCc1nnc(CNC3CC3)n1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.