Using CCOC(=O)CBr, COc1ccc2c(C(=O)C(C)C)n[nH]c2c1 to produce CCOC(=O)Cn1nc(C(=O)C(C)C)c2ccc(OC)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.