Using CC(C)C(C)(c1ccc(O)cc1)c1ccc(I)cc1, COC(=O)C(Br)c1ccccn1 to produce COC(=O)C(Oc1ccc(C(C)(c2ccc(I)cc2)C(C)C)cc1)c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.