Using BrCc1ccccc1, CCOC(=O)c1cn2c(c1O)C(=O)N(C)CC2 to produce CCOC(=O)c1cn2c(c1OCc1ccccc1)C(=O)N(C)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.