Using BrCc1ccccc1, CCOC(=O)c1nc2n(c(=O)c1O)CC1CCC2(OCCO)CC1 to produce CCOC(=O)c1nc2n(c(=O)c1OCc1ccccc1)CC1CCC2(OCCO)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.