Using Cc1ccc(-c2cc(C(=O)OC(C)(C)C)cc(N)n2)cc1, COC(CBr)OC to produce Cc1ccc(-c2cc(C(=O)OC(C)(C)C)cc3nccn23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.