Using O=C(CI)Nc1ncc(Br)nc1Br, CO[C@H]1CC[C@@H](N)CC1 to produce CO[C@H]1CC[C@@H](N2CC(=O)Nc3ncc(Br)nc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.