Using Brc1cnc(Br)nc1, CNC[C@H]1CC[C@H](C(=O)O)CC1 to produce CN(C[C@H]1CC[C@H](C(=O)O)CC1)c1ncc(Br)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.