Using Brc1ccc(C2CCNCC2)cc1, Cn1c(Cl)nc(-c2ccncc2)cc1=O to produce Cn1c(N2CCC(c3ccc(Br)cc3)CC2)nc(-c2ccncc2)cc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.