Using Cc1sc2c(c1C)C(c1ccc(Cl)cc1)=N[C@]1(C[C@H]1CBr)c1nnc(C)n1-2, CCN to produce CCNC[C@@H]1C[C@]12N=C(c1ccc(Cl)cc1)c1c(sc(C)c1C)-n1c(C)nnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.