Using CC(C)(C)c1cc[nH]n1, COc1cc(N2CCC(Br)C2=O)ccc1Cl to produce COc1cc(N2CCC(n3ccc(C(C)(C)C)n3)C2=O)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.