Using Cc1cc(OCc2ccccc2)cc2[nH]ccc12, CC(C)(C)OC(=O)CBr to produce Cc1cc(OCc2ccccc2)cc2c1ccn2CC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.