Using CC(C)(C)C(=O)OCCl, COc1ccccc1-c1n[nH]c2ncc(Br)cc12 to produce COc1ccccc1-c1nn(COC(=O)C(C)(C)C)c2ncc(Br)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.