Using CCOC(=O)c1cc(C)[nH]c(=O)c1OCc1ccccc1, CC(C)(C)OC(=O)CBr to produce CCOC(=O)c1cc(C)n(CC(=O)OC(C)(C)C)c(=O)c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.