Using CCCCOC(=O)c1nc(Br)c2ccccc2c1O, BrCc1ccccc1 to produce CCCCOC(=O)c1nc(Br)c2ccccc2c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.