Using CC(C)(C)OC(=O)N1CCC(=NNc2cccc(Br)n2)CC1, CI to produce CN(N=C1CCN(C(=O)OC(C)(C)C)CC1)c1cccc(Br)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.